| 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. | 1.38 minutes | 32390414 |
| Predicted by Siyang on May 30, 2022 | 8.8163 minutes | 33406817 |
| Predicted by Siyang using ReTip algorithm on June 8, 2022 | 6.29 minutes | 32390414 |
| AjsUoB = Accucore 150 Amide HILIC with 10mM Ammonium Formate, 0.1% Formic Acid | 314.4 seconds | 40023050 |
| Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 530.9 seconds | 40023050 |
| Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 283.8 seconds | 40023050 |
| Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 69.6 seconds | 40023050 |
| Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 172.6 seconds | 40023050 |
| RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 64.1 seconds | 40023050 |
| Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 249.4 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 | 242.6 seconds | 40023050 |
| HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 778.4 seconds | 40023050 |
| UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 590.9 seconds | 40023050 |
| BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 51.3 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 | 649.9 seconds | 40023050 |
| SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 164.6 seconds | 40023050 |
| RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 190.2 seconds | 40023050 |
| MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 809.4 seconds | 40023050 |
| KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 493.8 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 | 307.9 seconds | 40023050 |
| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
|---|
| 2-Keto-6-aminocaproate,1TMS,isomer #1 | C[Si](C)(C)OC(=O)C(=O)CCCCN | 1426.6 | Semi standard non polar | 33892256 |
| 2-Keto-6-aminocaproate,1TMS,isomer #2 | C[Si](C)(C)OC(=CCCCN)C(=O)O | 1541.5 | Semi standard non polar | 33892256 |
| 2-Keto-6-aminocaproate,1TMS,isomer #3 | C[Si](C)(C)NCCCCC(=O)C(=O)O | 1556.3 | Semi standard non polar | 33892256 |
| 2-Keto-6-aminocaproate,2TMS,isomer #1 | C[Si](C)(C)OC(=O)C(=CCCCN)O[Si](C)(C)C | 1566.8 | Semi standard non polar | 33892256 |
| 2-Keto-6-aminocaproate,2TMS,isomer #1 | C[Si](C)(C)OC(=O)C(=CCCCN)O[Si](C)(C)C | 1592.1 | Standard non polar | 33892256 |
| 2-Keto-6-aminocaproate,2TMS,isomer #1 | C[Si](C)(C)OC(=O)C(=CCCCN)O[Si](C)(C)C | 2097.7 | Standard polar | 33892256 |
| 2-Keto-6-aminocaproate,2TMS,isomer #2 | C[Si](C)(C)NCCCCC(=O)C(=O)O[Si](C)(C)C | 1595.5 | Semi standard non polar | 33892256 |
| 2-Keto-6-aminocaproate,2TMS,isomer #2 | C[Si](C)(C)NCCCCC(=O)C(=O)O[Si](C)(C)C | 1661.2 | Standard non polar | 33892256 |
| 2-Keto-6-aminocaproate,2TMS,isomer #2 | C[Si](C)(C)NCCCCC(=O)C(=O)O[Si](C)(C)C | 1782.2 | Standard polar | 33892256 |
| 2-Keto-6-aminocaproate,2TMS,isomer #3 | C[Si](C)(C)NCCCC=C(O[Si](C)(C)C)C(=O)O | 1706.4 | Semi standard non polar | 33892256 |
| 2-Keto-6-aminocaproate,2TMS,isomer #3 | C[Si](C)(C)NCCCC=C(O[Si](C)(C)C)C(=O)O | 1761.3 | Standard non polar | 33892256 |
| 2-Keto-6-aminocaproate,2TMS,isomer #3 | C[Si](C)(C)NCCCC=C(O[Si](C)(C)C)C(=O)O | 1988.0 | Standard polar | 33892256 |
| 2-Keto-6-aminocaproate,2TMS,isomer #4 | C[Si](C)(C)N(CCCCC(=O)C(=O)O)[Si](C)(C)C | 1790.2 | Semi standard non polar | 33892256 |
| 2-Keto-6-aminocaproate,2TMS,isomer #4 | C[Si](C)(C)N(CCCCC(=O)C(=O)O)[Si](C)(C)C | 1703.1 | Standard non polar | 33892256 |
| 2-Keto-6-aminocaproate,2TMS,isomer #4 | C[Si](C)(C)N(CCCCC(=O)C(=O)O)[Si](C)(C)C | 2074.1 | Standard polar | 33892256 |
| 2-Keto-6-aminocaproate,3TMS,isomer #1 | C[Si](C)(C)NCCCC=C(O[Si](C)(C)C)C(=O)O[Si](C)(C)C | 1708.3 | Semi standard non polar | 33892256 |
| 2-Keto-6-aminocaproate,3TMS,isomer #1 | C[Si](C)(C)NCCCC=C(O[Si](C)(C)C)C(=O)O[Si](C)(C)C | 1752.8 | Standard non polar | 33892256 |
| 2-Keto-6-aminocaproate,3TMS,isomer #1 | C[Si](C)(C)NCCCC=C(O[Si](C)(C)C)C(=O)O[Si](C)(C)C | 1717.9 | Standard polar | 33892256 |
| 2-Keto-6-aminocaproate,3TMS,isomer #2 | C[Si](C)(C)OC(=O)C(=O)CCCCN([Si](C)(C)C)[Si](C)(C)C | 1826.5 | Semi standard non polar | 33892256 |
| 2-Keto-6-aminocaproate,3TMS,isomer #2 | C[Si](C)(C)OC(=O)C(=O)CCCCN([Si](C)(C)C)[Si](C)(C)C | 1751.2 | Standard non polar | 33892256 |
| 2-Keto-6-aminocaproate,3TMS,isomer #2 | C[Si](C)(C)OC(=O)C(=O)CCCCN([Si](C)(C)C)[Si](C)(C)C | 1756.0 | Standard polar | 33892256 |
| 2-Keto-6-aminocaproate,3TMS,isomer #3 | C[Si](C)(C)OC(=CCCCN([Si](C)(C)C)[Si](C)(C)C)C(=O)O | 1912.1 | Semi standard non polar | 33892256 |
| 2-Keto-6-aminocaproate,3TMS,isomer #3 | C[Si](C)(C)OC(=CCCCN([Si](C)(C)C)[Si](C)(C)C)C(=O)O | 1853.6 | Standard non polar | 33892256 |
| 2-Keto-6-aminocaproate,3TMS,isomer #3 | C[Si](C)(C)OC(=CCCCN([Si](C)(C)C)[Si](C)(C)C)C(=O)O | 1936.9 | Standard polar | 33892256 |
| 2-Keto-6-aminocaproate,4TMS,isomer #1 | C[Si](C)(C)OC(=O)C(=CCCCN([Si](C)(C)C)[Si](C)(C)C)O[Si](C)(C)C | 1876.5 | Semi standard non polar | 33892256 |
| 2-Keto-6-aminocaproate,4TMS,isomer #1 | C[Si](C)(C)OC(=O)C(=CCCCN([Si](C)(C)C)[Si](C)(C)C)O[Si](C)(C)C | 1834.9 | Standard non polar | 33892256 |
| 2-Keto-6-aminocaproate,4TMS,isomer #1 | C[Si](C)(C)OC(=O)C(=CCCCN([Si](C)(C)C)[Si](C)(C)C)O[Si](C)(C)C | 1703.9 | Standard polar | 33892256 |
| 2-Keto-6-aminocaproate,1TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)C(=O)CCCCN | 1663.2 | Semi standard non polar | 33892256 |
| 2-Keto-6-aminocaproate,1TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OC(=CCCCN)C(=O)O | 1774.5 | Semi standard non polar | 33892256 |
| 2-Keto-6-aminocaproate,1TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)NCCCCC(=O)C(=O)O | 1817.9 | Semi standard non polar | 33892256 |
| 2-Keto-6-aminocaproate,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)C(=CCCCN)O[Si](C)(C)C(C)(C)C | 2043.2 | Semi standard non polar | 33892256 |
| 2-Keto-6-aminocaproate,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)C(=CCCCN)O[Si](C)(C)C(C)(C)C | 1949.9 | Standard non polar | 33892256 |
| 2-Keto-6-aminocaproate,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)C(=CCCCN)O[Si](C)(C)C(C)(C)C | 2202.6 | Standard polar | 33892256 |
| 2-Keto-6-aminocaproate,2TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)NCCCCC(=O)C(=O)O[Si](C)(C)C(C)(C)C | 2076.2 | Semi standard non polar | 33892256 |
| 2-Keto-6-aminocaproate,2TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)NCCCCC(=O)C(=O)O[Si](C)(C)C(C)(C)C | 2026.9 | Standard non polar | 33892256 |
| 2-Keto-6-aminocaproate,2TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)NCCCCC(=O)C(=O)O[Si](C)(C)C(C)(C)C | 2026.0 | Standard polar | 33892256 |
| 2-Keto-6-aminocaproate,2TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)NCCCC=C(O[Si](C)(C)C(C)(C)C)C(=O)O | 2165.5 | Semi standard non polar | 33892256 |
| 2-Keto-6-aminocaproate,2TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)NCCCC=C(O[Si](C)(C)C(C)(C)C)C(=O)O | 2104.9 | Standard non polar | 33892256 |
| 2-Keto-6-aminocaproate,2TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)NCCCC=C(O[Si](C)(C)C(C)(C)C)C(=O)O | 2158.9 | Standard polar | 33892256 |
| 2-Keto-6-aminocaproate,2TBDMS,isomer #4 | CC(C)(C)[Si](C)(C)N(CCCCC(=O)C(=O)O)[Si](C)(C)C(C)(C)C | 2235.9 | Semi standard non polar | 33892256 |
| 2-Keto-6-aminocaproate,2TBDMS,isomer #4 | CC(C)(C)[Si](C)(C)N(CCCCC(=O)C(=O)O)[Si](C)(C)C(C)(C)C | 2100.6 | Standard non polar | 33892256 |
| 2-Keto-6-aminocaproate,2TBDMS,isomer #4 | CC(C)(C)[Si](C)(C)N(CCCCC(=O)C(=O)O)[Si](C)(C)C(C)(C)C | 2180.1 | Standard polar | 33892256 |
| 2-Keto-6-aminocaproate,3TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)NCCCC=C(O[Si](C)(C)C(C)(C)C)C(=O)O[Si](C)(C)C(C)(C)C | 2352.5 | Semi standard non polar | 33892256 |
| 2-Keto-6-aminocaproate,3TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)NCCCC=C(O[Si](C)(C)C(C)(C)C)C(=O)O[Si](C)(C)C(C)(C)C | 2241.5 | Standard non polar | 33892256 |
| 2-Keto-6-aminocaproate,3TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)NCCCC=C(O[Si](C)(C)C(C)(C)C)C(=O)O[Si](C)(C)C(C)(C)C | 2117.8 | Standard polar | 33892256 |
| 2-Keto-6-aminocaproate,3TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OC(=O)C(=O)CCCCN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2477.9 | Semi standard non polar | 33892256 |
| 2-Keto-6-aminocaproate,3TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OC(=O)C(=O)CCCCN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2337.0 | Standard non polar | 33892256 |
| 2-Keto-6-aminocaproate,3TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OC(=O)C(=O)CCCCN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2132.1 | Standard polar | 33892256 |
| 2-Keto-6-aminocaproate,3TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)OC(=CCCCN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)C(=O)O | 2542.7 | Semi standard non polar | 33892256 |
| 2-Keto-6-aminocaproate,3TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)OC(=CCCCN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)C(=O)O | 2385.8 | Standard non polar | 33892256 |
| 2-Keto-6-aminocaproate,3TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)OC(=CCCCN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)C(=O)O | 2235.2 | Standard polar | 33892256 |
| 2-Keto-6-aminocaproate,4TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)C(=CCCCN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C | 2741.2 | Semi standard non polar | 33892256 |
| 2-Keto-6-aminocaproate,4TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)C(=CCCCN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C | 2491.3 | Standard non polar | 33892256 |
| 2-Keto-6-aminocaproate,4TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)C(=CCCCN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C | 2181.5 | Standard polar | 33892256 |