| Record Information |
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| Version | 5.0 |
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| Status | Expected but not Quantified |
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| Creation Date | 2008-10-16 22:29:40 UTC |
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| Update Date | 2021-09-14 14:58:36 UTC |
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| HMDB ID | HMDB0011112 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | N1-(alpha-D-ribosyl)-5,6-dimethyl-benzimidazole |
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| Description | N1-(alpha-D-ribosyl)-5,6-dimethyl-benzimidazole is an intermediate in riboflavin metabolism. It is converted from N1-(5-Phospho-alpha-D-ribosyl)-5,6-dimethylbenzimidazole via dephosphorylation by the enzyme phosphohistidine phosphatase 1 (EC 3.1.3.-). Humans do not have all the enzymes needed to synthesize or metabolize riboflavin. However, gut microflora do have the necessary enzymatic machinery to produce and metabolize this vitamin. Riboflavin (or vitamin B2) is an easily absorbed micronutrient with a key role in maintaining health in humans and animals. It is the central component of the cofactors FAD and FMN, and is therefore required by all flavoproteins. Riboflavin is yellow or yellow-orange in color and in addition to being used as a food coloring it is also used to fortify some foods including baby foods, breakfast cereals, pastas, sauces, processed cheese, fruit drinks, vitamin-enriched milk products, some energy drinks, and vitamin supplements. |
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| Structure | CC1=CC2=C(C=C1C)N(C=N2)[C@H]1O[C@H](CO)C(O)C1O InChI=1S/C14H18N2O4/c1-7-3-9-10(4-8(7)2)16(6-15-9)14-13(19)12(18)11(5-17)20-14/h3-4,6,11-14,17-19H,5H2,1-2H3/t11-,12?,13?,14+/m1/s1 |
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| Synonyms | | Value | Source |
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| N1-(a-D-Ribosyl)-5,6-dimethyl-benzimidazole | Generator | | N1-(Α-D-ribosyl)-5,6-dimethyl-benzimidazole | Generator | | (2S,5R)-2-(5,6 Dimethylbenzimidazol-1-yl)-5 (hydroxymethyl)oxolane-3,4-diol | HMDB | | 5,6-Dimethyl-1-a-D-ribofuranosyl-1H-benzimidazole | HMDB | | 5,6-Dimethyl-1-alpha-delta-ribofuranosyl-1H-benzimidazole | HMDB | | a-Ribazole | HMDB | | alpha-Ribazole | HMDB | | N1-(alpha-D-Ribosyl)-5,6-dimethylbenzimidazole | HMDB | | N1-(alpha-delta-Ribosyl)-5,6-dimethylbenzimidazole | HMDB |
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| Chemical Formula | C14H18N2O4 |
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| Average Molecular Weight | 278.3037 |
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| Monoisotopic Molecular Weight | 278.126657074 |
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| IUPAC Name | (2S,5R)-2-(5,6-dimethyl-1H-1,3-benzodiazol-1-yl)-5-(hydroxymethyl)oxolane-3,4-diol |
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| Traditional Name | (2S,5R)-2-(5,6-dimethyl-1,3-benzodiazol-1-yl)-5-(hydroxymethyl)oxolane-3,4-diol |
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| CAS Registry Number | Not Available |
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| SMILES | CC1=CC2=C(C=C1C)N(C=N2)[C@H]1O[C@H](CO)C(O)C1O |
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| InChI Identifier | InChI=1S/C14H18N2O4/c1-7-3-9-10(4-8(7)2)16(6-15-9)14-13(19)12(18)11(5-17)20-14/h3-4,6,11-14,17-19H,5H2,1-2H3/t11-,12?,13?,14+/m1/s1 |
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| InChI Key | HLRUKOJSWOKCPP-RYSNWHEDSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as benzimidazole ribonucleosides and ribonucleotides. These are nucleosides with a structure that consists of an imidazole moiety of benzimidazole is N-linked to a ribose (or deoxyribose). Nucleotides have a phosphate group linked to the C5 carbon of the ribose (or deoxyribose) moiety. |
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| Kingdom | Organic compounds |
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| Super Class | Nucleosides, nucleotides, and analogues |
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| Class | Benzimidazole ribonucleosides and ribonucleotides |
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| Sub Class | Not Available |
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| Direct Parent | Benzimidazole ribonucleosides and ribonucleotides |
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| Alternative Parents | |
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| Substituents | - 1-ribofuranosylbenzimidazole
- Glycosyl compound
- N-glycosyl compound
- Pentose monosaccharide
- Benzimidazole
- Monosaccharide
- N-substituted imidazole
- Benzenoid
- Azole
- Heteroaromatic compound
- Imidazole
- Tetrahydrofuran
- Secondary alcohol
- Oxacycle
- Azacycle
- Organoheterocyclic compound
- Organic nitrogen compound
- Alcohol
- Hydrocarbon derivative
- Organopnictogen compound
- Organic oxygen compound
- Organonitrogen compound
- Organooxygen compound
- Primary alcohol
- Aromatic heteropolycyclic compound
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| Molecular Framework | Aromatic heteropolycyclic compounds |
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| External Descriptors | Not Available |
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| Ontology |
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| Physiological effect | Not Available |
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| Disposition | |
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| Process | Not Available |
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| Role | Not Available |
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| Physical Properties |
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| State | Solid |
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| Experimental Molecular Properties | | Property | Value | Reference |
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| Melting Point | Not Available | Not Available | | Boiling Point | Not Available | Not Available | | Water Solubility | Not Available | Not Available | | LogP | Not Available | Not Available |
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| Experimental Chromatographic Properties | Not Available |
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| Predicted Molecular Properties | |
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| Predicted Chromatographic Properties | Predicted Collision Cross SectionsPredicted Retention Times Underivatized| Chromatographic Method | Retention Time | Reference |
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| Measured using a Waters Acquity ultraperformance liquid chromatography (UPLC) ethylene-bridged hybrid (BEH) C18 column (100 mm × 2.1 mm; 1.7 μmparticle diameter). Predicted by Afia on May 17, 2022. | 3.21 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 10.0861 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 2.5 minutes | 32390414 | | AjsUoB = Accucore 150 Amide HILIC with 10mM Ammonium Formate, 0.1% Formic Acid | 131.2 seconds | 40023050 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 1395.4 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 218.6 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 98.8 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 159.7 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 66.6 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 332.7 seconds | 40023050 | | BfG_NTS_RP1 =Agilent Zorbax Eclipse Plus C18 (2.1 mm x 150 mm, 3.5 um) with Water:ACN and 0.1% Formic Acid | 281.4 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 337.3 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 666.2 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 319.7 seconds | 40023050 | | UFZ_Phenomenex = Kinetex Core-Shell C18 2.6 um, 3.0 x 100 mm, Phenomenex with Water:MeOH and 0.1% Formic Acid | 924.7 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 157.1 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 197.3 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 487.4 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 308.7 seconds | 40023050 | | Meister zic-pHILIC pH9.3 = Merck SeQuant ZIC-pHILIC column with ACN:Water 5mM NH4Ac pH9.3 and 5mM ammonium acetate in water | 172.5 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| N1-(alpha-D-ribosyl)-5,6-dimethyl-benzimidazole,1TMS,isomer #1 | CC1=CC2=C(C=C1C)N([C@H]1O[C@H](CO[Si](C)(C)C)C(O)C1O)C=N2 | 2655.0 | Semi standard non polar | 33892256 | | N1-(alpha-D-ribosyl)-5,6-dimethyl-benzimidazole,1TMS,isomer #2 | CC1=CC2=C(C=C1C)N([C@H]1O[C@H](CO)C(O[Si](C)(C)C)C1O)C=N2 | 2662.3 | Semi standard non polar | 33892256 | | N1-(alpha-D-ribosyl)-5,6-dimethyl-benzimidazole,1TMS,isomer #3 | CC1=CC2=C(C=C1C)N([C@H]1O[C@H](CO)C(O)C1O[Si](C)(C)C)C=N2 | 2637.5 | Semi standard non polar | 33892256 | | N1-(alpha-D-ribosyl)-5,6-dimethyl-benzimidazole,2TMS,isomer #1 | CC1=CC2=C(C=C1C)N([C@H]1O[C@H](CO[Si](C)(C)C)C(O[Si](C)(C)C)C1O)C=N2 | 2629.2 | Semi standard non polar | 33892256 | | N1-(alpha-D-ribosyl)-5,6-dimethyl-benzimidazole,2TMS,isomer #2 | CC1=CC2=C(C=C1C)N([C@H]1O[C@H](CO[Si](C)(C)C)C(O)C1O[Si](C)(C)C)C=N2 | 2615.7 | Semi standard non polar | 33892256 | | N1-(alpha-D-ribosyl)-5,6-dimethyl-benzimidazole,2TMS,isomer #3 | CC1=CC2=C(C=C1C)N([C@H]1O[C@H](CO)C(O[Si](C)(C)C)C1O[Si](C)(C)C)C=N2 | 2613.5 | Semi standard non polar | 33892256 | | N1-(alpha-D-ribosyl)-5,6-dimethyl-benzimidazole,3TMS,isomer #1 | CC1=CC2=C(C=C1C)N([C@H]1O[C@H](CO[Si](C)(C)C)C(O[Si](C)(C)C)C1O[Si](C)(C)C)C=N2 | 2614.4 | Semi standard non polar | 33892256 | | N1-(alpha-D-ribosyl)-5,6-dimethyl-benzimidazole,1TBDMS,isomer #1 | CC1=CC2=C(C=C1C)N([C@H]1O[C@H](CO[Si](C)(C)C(C)(C)C)C(O)C1O)C=N2 | 2914.3 | Semi standard non polar | 33892256 | | N1-(alpha-D-ribosyl)-5,6-dimethyl-benzimidazole,1TBDMS,isomer #2 | CC1=CC2=C(C=C1C)N([C@H]1O[C@H](CO)C(O[Si](C)(C)C(C)(C)C)C1O)C=N2 | 2914.4 | Semi standard non polar | 33892256 | | N1-(alpha-D-ribosyl)-5,6-dimethyl-benzimidazole,1TBDMS,isomer #3 | CC1=CC2=C(C=C1C)N([C@H]1O[C@H](CO)C(O)C1O[Si](C)(C)C(C)(C)C)C=N2 | 2895.5 | Semi standard non polar | 33892256 | | N1-(alpha-D-ribosyl)-5,6-dimethyl-benzimidazole,2TBDMS,isomer #1 | CC1=CC2=C(C=C1C)N([C@H]1O[C@H](CO[Si](C)(C)C(C)(C)C)C(O[Si](C)(C)C(C)(C)C)C1O)C=N2 | 3110.1 | Semi standard non polar | 33892256 | | N1-(alpha-D-ribosyl)-5,6-dimethyl-benzimidazole,2TBDMS,isomer #2 | CC1=CC2=C(C=C1C)N([C@H]1O[C@H](CO[Si](C)(C)C(C)(C)C)C(O)C1O[Si](C)(C)C(C)(C)C)C=N2 | 3098.8 | Semi standard non polar | 33892256 | | N1-(alpha-D-ribosyl)-5,6-dimethyl-benzimidazole,2TBDMS,isomer #3 | CC1=CC2=C(C=C1C)N([C@H]1O[C@H](CO)C(O[Si](C)(C)C(C)(C)C)C1O[Si](C)(C)C(C)(C)C)C=N2 | 3105.6 | Semi standard non polar | 33892256 | | N1-(alpha-D-ribosyl)-5,6-dimethyl-benzimidazole,3TBDMS,isomer #1 | CC1=CC2=C(C=C1C)N([C@H]1O[C@H](CO[Si](C)(C)C(C)(C)C)C(O[Si](C)(C)C(C)(C)C)C1O[Si](C)(C)C(C)(C)C)C=N2 | 3318.2 | Semi standard non polar | 33892256 |
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| GC-MS Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View |
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| Predicted GC-MS | Predicted GC-MS Spectrum - N1-(alpha-D-ribosyl)-5,6-dimethyl-benzimidazole GC-MS (Non-derivatized) - 70eV, Positive | splash10-0c01-9330000000-689525590087845886d0 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - N1-(alpha-D-ribosyl)-5,6-dimethyl-benzimidazole GC-MS (3 TMS) - 70eV, Positive | splash10-05dr-6967600000-599f6974301e18e156c8 | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - N1-(alpha-D-ribosyl)-5,6-dimethyl-benzimidazole GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - N1-(alpha-D-ribosyl)-5,6-dimethyl-benzimidazole GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum |
MS/MS Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View |
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| Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - N1-(alpha-D-ribosyl)-5,6-dimethyl-benzimidazole 10V, Positive-QTOF | splash10-002b-0960000000-caf2068534b445ebedc9 | 2015-09-15 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - N1-(alpha-D-ribosyl)-5,6-dimethyl-benzimidazole 20V, Positive-QTOF | splash10-0002-1910000000-d37ce3a70cce736343f0 | 2015-09-15 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - N1-(alpha-D-ribosyl)-5,6-dimethyl-benzimidazole 40V, Positive-QTOF | splash10-0002-1900000000-df05b1aea7df1fbcf30a | 2015-09-15 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - N1-(alpha-D-ribosyl)-5,6-dimethyl-benzimidazole 10V, Negative-QTOF | splash10-004j-0690000000-77b436d3918c437841c7 | 2015-09-15 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - N1-(alpha-D-ribosyl)-5,6-dimethyl-benzimidazole 20V, Negative-QTOF | splash10-0002-0900000000-2a72e9c715cb7e187a0c | 2015-09-15 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - N1-(alpha-D-ribosyl)-5,6-dimethyl-benzimidazole 40V, Negative-QTOF | splash10-0002-1900000000-d0b6a5aa908f50a2969b | 2015-09-15 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - N1-(alpha-D-ribosyl)-5,6-dimethyl-benzimidazole 10V, Positive-QTOF | splash10-0002-0900000000-ec86bad39756964675dc | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - N1-(alpha-D-ribosyl)-5,6-dimethyl-benzimidazole 20V, Positive-QTOF | splash10-0002-0900000000-c514f16784cfa467b6ec | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - N1-(alpha-D-ribosyl)-5,6-dimethyl-benzimidazole 40V, Positive-QTOF | splash10-000t-0900000000-f8563f3a5ea022479f4a | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - N1-(alpha-D-ribosyl)-5,6-dimethyl-benzimidazole 10V, Negative-QTOF | splash10-0002-0910000000-481df73ff3b8689b9528 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - N1-(alpha-D-ribosyl)-5,6-dimethyl-benzimidazole 20V, Negative-QTOF | splash10-0002-0900000000-8f3a4e497c02cd33d097 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - N1-(alpha-D-ribosyl)-5,6-dimethyl-benzimidazole 40V, Negative-QTOF | splash10-0002-2900000000-d54bc813eef1d7fc515a | 2021-09-24 | Wishart Lab | View Spectrum |
NMR Spectra| Spectrum Type | Description | Deposition Date | Source | View |
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| Predicted 1D NMR | 1H NMR Spectrum (1D, 100 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 100 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum |
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