| 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. | 1.3 minutes | 32390414 |
| Predicted by Siyang on May 30, 2022 | 8.3773 minutes | 33406817 |
| Predicted by Siyang using ReTip algorithm on June 8, 2022 | 7.3 minutes | 32390414 |
| AjsUoB = Accucore 150 Amide HILIC with 10mM Ammonium Formate, 0.1% Formic Acid | 319.5 seconds | 40023050 |
| Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 476.1 seconds | 40023050 |
| Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 286.4 seconds | 40023050 |
| Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 54.7 seconds | 40023050 |
| Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 182.4 seconds | 40023050 |
| RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 51.9 seconds | 40023050 |
| Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 252.1 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 | 222.6 seconds | 40023050 |
| HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 767.5 seconds | 40023050 |
| UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 542.8 seconds | 40023050 |
| BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 37.1 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 | 629.7 seconds | 40023050 |
| SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 186.2 seconds | 40023050 |
| RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 200.7 seconds | 40023050 |
| MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 678.3 seconds | 40023050 |
| KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 464.8 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 | 355.0 seconds | 40023050 |
| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
|---|
| 5-Aminolevulinic acid,1TMS,isomer #1 | C[Si](C)(C)OC(=O)CCC(=O)CN | 1389.2 | Semi standard non polar | 33892256 |
| 5-Aminolevulinic acid,1TMS,isomer #2 | C[Si](C)(C)OC(=CCC(=O)O)CN | 1473.0 | Semi standard non polar | 33892256 |
| 5-Aminolevulinic acid,1TMS,isomer #3 | C[Si](C)(C)OC(=CN)CCC(=O)O | 1507.8 | Semi standard non polar | 33892256 |
| 5-Aminolevulinic acid,1TMS,isomer #4 | C[Si](C)(C)NCC(=O)CCC(=O)O | 1433.3 | Semi standard non polar | 33892256 |
| 5-Aminolevulinic acid,2TMS,isomer #1 | C[Si](C)(C)OC(=O)CCC(=CN)O[Si](C)(C)C | 1522.2 | Semi standard non polar | 33892256 |
| 5-Aminolevulinic acid,2TMS,isomer #1 | C[Si](C)(C)OC(=O)CCC(=CN)O[Si](C)(C)C | 1519.5 | Standard non polar | 33892256 |
| 5-Aminolevulinic acid,2TMS,isomer #1 | C[Si](C)(C)OC(=O)CCC(=CN)O[Si](C)(C)C | 2207.2 | Standard polar | 33892256 |
| 5-Aminolevulinic acid,2TMS,isomer #2 | C[Si](C)(C)OC(=O)CC=C(CN)O[Si](C)(C)C | 1517.2 | Semi standard non polar | 33892256 |
| 5-Aminolevulinic acid,2TMS,isomer #2 | C[Si](C)(C)OC(=O)CC=C(CN)O[Si](C)(C)C | 1583.6 | Standard non polar | 33892256 |
| 5-Aminolevulinic acid,2TMS,isomer #2 | C[Si](C)(C)OC(=O)CC=C(CN)O[Si](C)(C)C | 2172.5 | Standard polar | 33892256 |
| 5-Aminolevulinic acid,2TMS,isomer #3 | C[Si](C)(C)NCC(=O)CCC(=O)O[Si](C)(C)C | 1530.6 | Semi standard non polar | 33892256 |
| 5-Aminolevulinic acid,2TMS,isomer #3 | C[Si](C)(C)NCC(=O)CCC(=O)O[Si](C)(C)C | 1555.6 | Standard non polar | 33892256 |
| 5-Aminolevulinic acid,2TMS,isomer #3 | C[Si](C)(C)NCC(=O)CCC(=O)O[Si](C)(C)C | 1826.2 | Standard polar | 33892256 |
| 5-Aminolevulinic acid,2TMS,isomer #4 | C[Si](C)(C)NCC(=CCC(=O)O)O[Si](C)(C)C | 1605.6 | Semi standard non polar | 33892256 |
| 5-Aminolevulinic acid,2TMS,isomer #4 | C[Si](C)(C)NCC(=CCC(=O)O)O[Si](C)(C)C | 1678.5 | Standard non polar | 33892256 |
| 5-Aminolevulinic acid,2TMS,isomer #4 | C[Si](C)(C)NCC(=CCC(=O)O)O[Si](C)(C)C | 2022.6 | Standard polar | 33892256 |
| 5-Aminolevulinic acid,2TMS,isomer #5 | C[Si](C)(C)NC=C(CCC(=O)O)O[Si](C)(C)C | 1668.6 | Semi standard non polar | 33892256 |
| 5-Aminolevulinic acid,2TMS,isomer #5 | C[Si](C)(C)NC=C(CCC(=O)O)O[Si](C)(C)C | 1661.6 | Standard non polar | 33892256 |
| 5-Aminolevulinic acid,2TMS,isomer #5 | C[Si](C)(C)NC=C(CCC(=O)O)O[Si](C)(C)C | 1980.5 | Standard polar | 33892256 |
| 5-Aminolevulinic acid,2TMS,isomer #6 | C[Si](C)(C)N(CC(=O)CCC(=O)O)[Si](C)(C)C | 1687.0 | Semi standard non polar | 33892256 |
| 5-Aminolevulinic acid,2TMS,isomer #6 | C[Si](C)(C)N(CC(=O)CCC(=O)O)[Si](C)(C)C | 1625.0 | Standard non polar | 33892256 |
| 5-Aminolevulinic acid,2TMS,isomer #6 | C[Si](C)(C)N(CC(=O)CCC(=O)O)[Si](C)(C)C | 2004.9 | Standard polar | 33892256 |
| 5-Aminolevulinic acid,3TMS,isomer #1 | C[Si](C)(C)NC=C(CCC(=O)O[Si](C)(C)C)O[Si](C)(C)C | 1700.3 | Semi standard non polar | 33892256 |
| 5-Aminolevulinic acid,3TMS,isomer #1 | C[Si](C)(C)NC=C(CCC(=O)O[Si](C)(C)C)O[Si](C)(C)C | 1671.9 | Standard non polar | 33892256 |
| 5-Aminolevulinic acid,3TMS,isomer #1 | C[Si](C)(C)NC=C(CCC(=O)O[Si](C)(C)C)O[Si](C)(C)C | 1777.3 | Standard polar | 33892256 |
| 5-Aminolevulinic acid,3TMS,isomer #2 | C[Si](C)(C)NCC(=CCC(=O)O[Si](C)(C)C)O[Si](C)(C)C | 1637.2 | Semi standard non polar | 33892256 |
| 5-Aminolevulinic acid,3TMS,isomer #2 | C[Si](C)(C)NCC(=CCC(=O)O[Si](C)(C)C)O[Si](C)(C)C | 1707.7 | Standard non polar | 33892256 |
| 5-Aminolevulinic acid,3TMS,isomer #2 | C[Si](C)(C)NCC(=CCC(=O)O[Si](C)(C)C)O[Si](C)(C)C | 1692.4 | Standard polar | 33892256 |
| 5-Aminolevulinic acid,3TMS,isomer #3 | C[Si](C)(C)OC(=O)CCC(=O)CN([Si](C)(C)C)[Si](C)(C)C | 1715.9 | Semi standard non polar | 33892256 |
| 5-Aminolevulinic acid,3TMS,isomer #3 | C[Si](C)(C)OC(=O)CCC(=O)CN([Si](C)(C)C)[Si](C)(C)C | 1706.8 | Standard non polar | 33892256 |
| 5-Aminolevulinic acid,3TMS,isomer #3 | C[Si](C)(C)OC(=O)CCC(=O)CN([Si](C)(C)C)[Si](C)(C)C | 1721.3 | Standard polar | 33892256 |
| 5-Aminolevulinic acid,3TMS,isomer #4 | C[Si](C)(C)OC(=CCC(=O)O)CN([Si](C)(C)C)[Si](C)(C)C | 1827.6 | Semi standard non polar | 33892256 |
| 5-Aminolevulinic acid,3TMS,isomer #4 | C[Si](C)(C)OC(=CCC(=O)O)CN([Si](C)(C)C)[Si](C)(C)C | 1788.6 | Standard non polar | 33892256 |
| 5-Aminolevulinic acid,3TMS,isomer #4 | C[Si](C)(C)OC(=CCC(=O)O)CN([Si](C)(C)C)[Si](C)(C)C | 1912.1 | Standard polar | 33892256 |
| 5-Aminolevulinic acid,3TMS,isomer #5 | C[Si](C)(C)OC(=CN([Si](C)(C)C)[Si](C)(C)C)CCC(=O)O | 1867.8 | Semi standard non polar | 33892256 |
| 5-Aminolevulinic acid,3TMS,isomer #5 | C[Si](C)(C)OC(=CN([Si](C)(C)C)[Si](C)(C)C)CCC(=O)O | 1721.9 | Standard non polar | 33892256 |
| 5-Aminolevulinic acid,3TMS,isomer #5 | C[Si](C)(C)OC(=CN([Si](C)(C)C)[Si](C)(C)C)CCC(=O)O | 1892.3 | Standard polar | 33892256 |
| 5-Aminolevulinic acid,4TMS,isomer #1 | C[Si](C)(C)OC(=O)CCC(=CN([Si](C)(C)C)[Si](C)(C)C)O[Si](C)(C)C | 1838.0 | Semi standard non polar | 33892256 |
| 5-Aminolevulinic acid,4TMS,isomer #1 | C[Si](C)(C)OC(=O)CCC(=CN([Si](C)(C)C)[Si](C)(C)C)O[Si](C)(C)C | 1715.2 | Standard non polar | 33892256 |
| 5-Aminolevulinic acid,4TMS,isomer #1 | C[Si](C)(C)OC(=O)CCC(=CN([Si](C)(C)C)[Si](C)(C)C)O[Si](C)(C)C | 1743.0 | Standard polar | 33892256 |
| 5-Aminolevulinic acid,4TMS,isomer #2 | C[Si](C)(C)OC(=O)CC=C(CN([Si](C)(C)C)[Si](C)(C)C)O[Si](C)(C)C | 1826.7 | Semi standard non polar | 33892256 |
| 5-Aminolevulinic acid,4TMS,isomer #2 | C[Si](C)(C)OC(=O)CC=C(CN([Si](C)(C)C)[Si](C)(C)C)O[Si](C)(C)C | 1811.9 | Standard non polar | 33892256 |
| 5-Aminolevulinic acid,4TMS,isomer #2 | C[Si](C)(C)OC(=O)CC=C(CN([Si](C)(C)C)[Si](C)(C)C)O[Si](C)(C)C | 1645.3 | Standard polar | 33892256 |
| 5-Aminolevulinic acid,1TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)CCC(=O)CN | 1617.3 | Semi standard non polar | 33892256 |
| 5-Aminolevulinic acid,1TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OC(=CCC(=O)O)CN | 1722.4 | Semi standard non polar | 33892256 |
| 5-Aminolevulinic acid,1TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)OC(=CN)CCC(=O)O | 1753.1 | Semi standard non polar | 33892256 |
| 5-Aminolevulinic acid,1TBDMS,isomer #4 | CC(C)(C)[Si](C)(C)NCC(=O)CCC(=O)O | 1697.4 | Semi standard non polar | 33892256 |
| 5-Aminolevulinic acid,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)CCC(=CN)O[Si](C)(C)C(C)(C)C | 1956.8 | Semi standard non polar | 33892256 |
| 5-Aminolevulinic acid,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)CCC(=CN)O[Si](C)(C)C(C)(C)C | 1960.7 | Standard non polar | 33892256 |
| 5-Aminolevulinic acid,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)CCC(=CN)O[Si](C)(C)C(C)(C)C | 2289.5 | Standard polar | 33892256 |
| 5-Aminolevulinic acid,2TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OC(=O)CC=C(CN)O[Si](C)(C)C(C)(C)C | 1970.3 | Semi standard non polar | 33892256 |
| 5-Aminolevulinic acid,2TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OC(=O)CC=C(CN)O[Si](C)(C)C(C)(C)C | 1964.2 | Standard non polar | 33892256 |
| 5-Aminolevulinic acid,2TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OC(=O)CC=C(CN)O[Si](C)(C)C(C)(C)C | 2242.8 | Standard polar | 33892256 |
| 5-Aminolevulinic acid,2TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)NCC(=O)CCC(=O)O[Si](C)(C)C(C)(C)C | 1967.9 | Semi standard non polar | 33892256 |
| 5-Aminolevulinic acid,2TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)NCC(=O)CCC(=O)O[Si](C)(C)C(C)(C)C | 1973.3 | Standard non polar | 33892256 |
| 5-Aminolevulinic acid,2TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)NCC(=O)CCC(=O)O[Si](C)(C)C(C)(C)C | 2007.1 | Standard polar | 33892256 |
| 5-Aminolevulinic acid,2TBDMS,isomer #4 | CC(C)(C)[Si](C)(C)NCC(=CCC(=O)O)O[Si](C)(C)C(C)(C)C | 2090.5 | Semi standard non polar | 33892256 |
| 5-Aminolevulinic acid,2TBDMS,isomer #4 | CC(C)(C)[Si](C)(C)NCC(=CCC(=O)O)O[Si](C)(C)C(C)(C)C | 2028.7 | Standard non polar | 33892256 |
| 5-Aminolevulinic acid,2TBDMS,isomer #4 | CC(C)(C)[Si](C)(C)NCC(=CCC(=O)O)O[Si](C)(C)C(C)(C)C | 2145.0 | Standard polar | 33892256 |
| 5-Aminolevulinic acid,2TBDMS,isomer #5 | CC(C)(C)[Si](C)(C)NC=C(CCC(=O)O)O[Si](C)(C)C(C)(C)C | 2165.0 | Semi standard non polar | 33892256 |
| 5-Aminolevulinic acid,2TBDMS,isomer #5 | CC(C)(C)[Si](C)(C)NC=C(CCC(=O)O)O[Si](C)(C)C(C)(C)C | 2008.8 | Standard non polar | 33892256 |
| 5-Aminolevulinic acid,2TBDMS,isomer #5 | CC(C)(C)[Si](C)(C)NC=C(CCC(=O)O)O[Si](C)(C)C(C)(C)C | 2131.3 | Standard polar | 33892256 |
| 5-Aminolevulinic acid,2TBDMS,isomer #6 | CC(C)(C)[Si](C)(C)N(CC(=O)CCC(=O)O)[Si](C)(C)C(C)(C)C | 2114.5 | Semi standard non polar | 33892256 |
| 5-Aminolevulinic acid,2TBDMS,isomer #6 | CC(C)(C)[Si](C)(C)N(CC(=O)CCC(=O)O)[Si](C)(C)C(C)(C)C | 2019.1 | Standard non polar | 33892256 |
| 5-Aminolevulinic acid,2TBDMS,isomer #6 | CC(C)(C)[Si](C)(C)N(CC(=O)CCC(=O)O)[Si](C)(C)C(C)(C)C | 2113.8 | Standard polar | 33892256 |
| 5-Aminolevulinic acid,3TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)NC=C(CCC(=O)O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C | 2312.6 | Semi standard non polar | 33892256 |
| 5-Aminolevulinic acid,3TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)NC=C(CCC(=O)O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C | 2236.0 | Standard non polar | 33892256 |
| 5-Aminolevulinic acid,3TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)NC=C(CCC(=O)O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C | 2127.8 | Standard polar | 33892256 |
| 5-Aminolevulinic acid,3TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)NCC(=CCC(=O)O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C | 2273.0 | Semi standard non polar | 33892256 |
| 5-Aminolevulinic acid,3TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)NCC(=CCC(=O)O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C | 2259.0 | Standard non polar | 33892256 |
| 5-Aminolevulinic acid,3TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)NCC(=CCC(=O)O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C | 2071.0 | Standard polar | 33892256 |
| 5-Aminolevulinic acid,3TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)OC(=O)CCC(=O)CN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2349.8 | Semi standard non polar | 33892256 |
| 5-Aminolevulinic acid,3TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)OC(=O)CCC(=O)CN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2298.0 | Standard non polar | 33892256 |
| 5-Aminolevulinic acid,3TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)OC(=O)CCC(=O)CN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2077.9 | Standard polar | 33892256 |
| 5-Aminolevulinic acid,3TBDMS,isomer #4 | CC(C)(C)[Si](C)(C)OC(=CCC(=O)O)CN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2441.1 | Semi standard non polar | 33892256 |
| 5-Aminolevulinic acid,3TBDMS,isomer #4 | CC(C)(C)[Si](C)(C)OC(=CCC(=O)O)CN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2341.8 | Standard non polar | 33892256 |
| 5-Aminolevulinic acid,3TBDMS,isomer #4 | CC(C)(C)[Si](C)(C)OC(=CCC(=O)O)CN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2191.4 | Standard polar | 33892256 |
| 5-Aminolevulinic acid,3TBDMS,isomer #5 | CC(C)(C)[Si](C)(C)OC(=CN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)CCC(=O)O | 2481.4 | Semi standard non polar | 33892256 |
| 5-Aminolevulinic acid,3TBDMS,isomer #5 | CC(C)(C)[Si](C)(C)OC(=CN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)CCC(=O)O | 2247.5 | Standard non polar | 33892256 |
| 5-Aminolevulinic acid,3TBDMS,isomer #5 | CC(C)(C)[Si](C)(C)OC(=CN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)CCC(=O)O | 2181.2 | Standard polar | 33892256 |
| 5-Aminolevulinic acid,4TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)CCC(=CN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C | 2657.9 | Semi standard non polar | 33892256 |
| 5-Aminolevulinic acid,4TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)CCC(=CN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C | 2445.1 | Standard non polar | 33892256 |
| 5-Aminolevulinic acid,4TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)CCC(=CN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C | 2174.8 | Standard polar | 33892256 |
| 5-Aminolevulinic acid,4TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OC(=O)CC=C(CN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C | 2655.5 | Semi standard non polar | 33892256 |
| 5-Aminolevulinic acid,4TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OC(=O)CC=C(CN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C | 2527.3 | Standard non polar | 33892256 |
| 5-Aminolevulinic acid,4TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OC(=O)CC=C(CN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C | 2117.7 | Standard polar | 33892256 |