| Chromatographic Method | Retention Time | Reference |
|---|
| 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. Predicted by Afia on May 17, 2022. | 1.13 minutes | 32390414 |
| Predicted by Siyang on May 30, 2022 | 8.0799 minutes | 33406817 |
| Predicted by Siyang using ReTip algorithm on June 8, 2022 | 8.12 minutes | 32390414 |
| AjsUoB = Accucore 150 Amide HILIC with 10mM Ammonium Formate, 0.1% Formic Acid | 424.8 seconds | 40023050 |
| Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 314.5 seconds | 40023050 |
| Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 245.8 seconds | 40023050 |
| Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 55.4 seconds | 40023050 |
| Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 164.7 seconds | 40023050 |
| RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 55.8 seconds | 40023050 |
| Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 270.1 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 | 223.7 seconds | 40023050 |
| HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 986.1 seconds | 40023050 |
| UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 516.5 seconds | 40023050 |
| BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 37.4 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 | 509.5 seconds | 40023050 |
| SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 181.3 seconds | 40023050 |
| RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 231.4 seconds | 40023050 |
| MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 1028.4 seconds | 40023050 |
| KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 689.2 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 | 370.5 seconds | 40023050 |
| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
|---|
| Isoputreanine,1TMS,isomer #1 | C[Si](C)(C)OC(=O)CCCNCCCN | 1602.5 | Semi standard non polar | 33892256 |
| Isoputreanine,1TMS,isomer #2 | C[Si](C)(C)NCCCNCCCC(=O)O | 1718.7 | Semi standard non polar | 33892256 |
| Isoputreanine,1TMS,isomer #3 | C[Si](C)(C)N(CCCN)CCCC(=O)O | 1717.6 | Semi standard non polar | 33892256 |
| Isoputreanine,2TMS,isomer #1 | C[Si](C)(C)NCCCNCCCC(=O)O[Si](C)(C)C | 1770.3 | Semi standard non polar | 33892256 |
| Isoputreanine,2TMS,isomer #1 | C[Si](C)(C)NCCCNCCCC(=O)O[Si](C)(C)C | 1896.8 | Standard non polar | 33892256 |
| Isoputreanine,2TMS,isomer #1 | C[Si](C)(C)NCCCNCCCC(=O)O[Si](C)(C)C | 2045.4 | Standard polar | 33892256 |
| Isoputreanine,2TMS,isomer #2 | C[Si](C)(C)OC(=O)CCCN(CCCN)[Si](C)(C)C | 1710.2 | Semi standard non polar | 33892256 |
| Isoputreanine,2TMS,isomer #2 | C[Si](C)(C)OC(=O)CCCN(CCCN)[Si](C)(C)C | 1793.9 | Standard non polar | 33892256 |
| Isoputreanine,2TMS,isomer #2 | C[Si](C)(C)OC(=O)CCCN(CCCN)[Si](C)(C)C | 2465.0 | Standard polar | 33892256 |
| Isoputreanine,2TMS,isomer #3 | C[Si](C)(C)N(CCCNCCCC(=O)O)[Si](C)(C)C | 1932.9 | Semi standard non polar | 33892256 |
| Isoputreanine,2TMS,isomer #3 | C[Si](C)(C)N(CCCNCCCC(=O)O)[Si](C)(C)C | 1881.4 | Standard non polar | 33892256 |
| Isoputreanine,2TMS,isomer #3 | C[Si](C)(C)N(CCCNCCCC(=O)O)[Si](C)(C)C | 2291.0 | Standard polar | 33892256 |
| Isoputreanine,2TMS,isomer #4 | C[Si](C)(C)NCCCN(CCCC(=O)O)[Si](C)(C)C | 1880.5 | Semi standard non polar | 33892256 |
| Isoputreanine,2TMS,isomer #4 | C[Si](C)(C)NCCCN(CCCC(=O)O)[Si](C)(C)C | 1865.3 | Standard non polar | 33892256 |
| Isoputreanine,2TMS,isomer #4 | C[Si](C)(C)NCCCN(CCCC(=O)O)[Si](C)(C)C | 2269.3 | Standard polar | 33892256 |
| Isoputreanine,3TMS,isomer #1 | C[Si](C)(C)OC(=O)CCCNCCCN([Si](C)(C)C)[Si](C)(C)C | 1973.8 | Semi standard non polar | 33892256 |
| Isoputreanine,3TMS,isomer #1 | C[Si](C)(C)OC(=O)CCCNCCCN([Si](C)(C)C)[Si](C)(C)C | 1978.8 | Standard non polar | 33892256 |
| Isoputreanine,3TMS,isomer #1 | C[Si](C)(C)OC(=O)CCCNCCCN([Si](C)(C)C)[Si](C)(C)C | 1959.1 | Standard polar | 33892256 |
| Isoputreanine,3TMS,isomer #2 | C[Si](C)(C)NCCCN(CCCC(=O)O[Si](C)(C)C)[Si](C)(C)C | 1844.1 | Semi standard non polar | 33892256 |
| Isoputreanine,3TMS,isomer #2 | C[Si](C)(C)NCCCN(CCCC(=O)O[Si](C)(C)C)[Si](C)(C)C | 1971.5 | Standard non polar | 33892256 |
| Isoputreanine,3TMS,isomer #2 | C[Si](C)(C)NCCCN(CCCC(=O)O[Si](C)(C)C)[Si](C)(C)C | 1985.3 | Standard polar | 33892256 |
| Isoputreanine,3TMS,isomer #3 | C[Si](C)(C)N(CCCC(=O)O)CCCN([Si](C)(C)C)[Si](C)(C)C | 2102.3 | Semi standard non polar | 33892256 |
| Isoputreanine,3TMS,isomer #3 | C[Si](C)(C)N(CCCC(=O)O)CCCN([Si](C)(C)C)[Si](C)(C)C | 2019.8 | Standard non polar | 33892256 |
| Isoputreanine,3TMS,isomer #3 | C[Si](C)(C)N(CCCC(=O)O)CCCN([Si](C)(C)C)[Si](C)(C)C | 2164.6 | Standard polar | 33892256 |
| Isoputreanine,4TMS,isomer #1 | C[Si](C)(C)OC(=O)CCCN(CCCN([Si](C)(C)C)[Si](C)(C)C)[Si](C)(C)C | 2094.6 | Semi standard non polar | 33892256 |
| Isoputreanine,4TMS,isomer #1 | C[Si](C)(C)OC(=O)CCCN(CCCN([Si](C)(C)C)[Si](C)(C)C)[Si](C)(C)C | 2079.6 | Standard non polar | 33892256 |
| Isoputreanine,4TMS,isomer #1 | C[Si](C)(C)OC(=O)CCCN(CCCN([Si](C)(C)C)[Si](C)(C)C)[Si](C)(C)C | 1939.6 | Standard polar | 33892256 |
| Isoputreanine,1TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)CCCNCCCN | 1836.5 | Semi standard non polar | 33892256 |
| Isoputreanine,1TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)NCCCNCCCC(=O)O | 1961.6 | Semi standard non polar | 33892256 |
| Isoputreanine,1TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)N(CCCN)CCCC(=O)O | 1949.3 | Semi standard non polar | 33892256 |
| Isoputreanine,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)NCCCNCCCC(=O)O[Si](C)(C)C(C)(C)C | 2242.0 | Semi standard non polar | 33892256 |
| Isoputreanine,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)NCCCNCCCC(=O)O[Si](C)(C)C(C)(C)C | 2247.7 | Standard non polar | 33892256 |
| Isoputreanine,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)NCCCNCCCC(=O)O[Si](C)(C)C(C)(C)C | 2207.5 | Standard polar | 33892256 |
| Isoputreanine,2TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OC(=O)CCCN(CCCN)[Si](C)(C)C(C)(C)C | 2209.6 | Semi standard non polar | 33892256 |
| Isoputreanine,2TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OC(=O)CCCN(CCCN)[Si](C)(C)C(C)(C)C | 2173.7 | Standard non polar | 33892256 |
| Isoputreanine,2TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OC(=O)CCCN(CCCN)[Si](C)(C)C(C)(C)C | 2473.1 | Standard polar | 33892256 |
| Isoputreanine,2TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)N(CCCNCCCC(=O)O)[Si](C)(C)C(C)(C)C | 2359.3 | Semi standard non polar | 33892256 |
| Isoputreanine,2TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)N(CCCNCCCC(=O)O)[Si](C)(C)C(C)(C)C | 2268.0 | Standard non polar | 33892256 |
| Isoputreanine,2TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)N(CCCNCCCC(=O)O)[Si](C)(C)C(C)(C)C | 2359.5 | Standard polar | 33892256 |
| Isoputreanine,2TBDMS,isomer #4 | CC(C)(C)[Si](C)(C)NCCCN(CCCC(=O)O)[Si](C)(C)C(C)(C)C | 2371.9 | Semi standard non polar | 33892256 |
| Isoputreanine,2TBDMS,isomer #4 | CC(C)(C)[Si](C)(C)NCCCN(CCCC(=O)O)[Si](C)(C)C(C)(C)C | 2244.8 | Standard non polar | 33892256 |
| Isoputreanine,2TBDMS,isomer #4 | CC(C)(C)[Si](C)(C)NCCCN(CCCC(=O)O)[Si](C)(C)C(C)(C)C | 2375.3 | Standard polar | 33892256 |
| Isoputreanine,3TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)CCCNCCCN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2635.3 | Semi standard non polar | 33892256 |
| Isoputreanine,3TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)CCCNCCCN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2540.2 | Standard non polar | 33892256 |
| Isoputreanine,3TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)CCCNCCCN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2274.2 | Standard polar | 33892256 |
| Isoputreanine,3TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)NCCCN(CCCC(=O)O[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2572.9 | Semi standard non polar | 33892256 |
| Isoputreanine,3TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)NCCCN(CCCC(=O)O[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2499.4 | Standard non polar | 33892256 |
| Isoputreanine,3TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)NCCCN(CCCC(=O)O[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2320.8 | Standard polar | 33892256 |
| Isoputreanine,3TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)N(CCCC(=O)O)CCCN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2727.1 | Semi standard non polar | 33892256 |
| Isoputreanine,3TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)N(CCCC(=O)O)CCCN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2553.5 | Standard non polar | 33892256 |
| Isoputreanine,3TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)N(CCCC(=O)O)CCCN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2420.4 | Standard polar | 33892256 |
| Isoputreanine,4TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)CCCN(CCCN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2951.6 | Semi standard non polar | 33892256 |
| Isoputreanine,4TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)CCCN(CCCN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2768.5 | Standard non polar | 33892256 |
| Isoputreanine,4TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)CCCN(CCCN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2369.9 | Standard polar | 33892256 |