| 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. | 1.47 minutes | 32390414 |
| Predicted by Siyang on May 30, 2022 | 9.1677 minutes | 33406817 |
| Predicted by Siyang using ReTip algorithm on June 8, 2022 | 8.43 minutes | 32390414 |
| Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 445.0 seconds | 40023050 |
| Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 258.2 seconds | 40023050 |
| Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 58.4 seconds | 40023050 |
| Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 164.9 seconds | 40023050 |
| RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 45.8 seconds | 40023050 |
| Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 261.8 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 | 236.9 seconds | 40023050 |
| HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 755.7 seconds | 40023050 |
| UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 569.0 seconds | 40023050 |
| BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 39.2 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 | 675.8 seconds | 40023050 |
| SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 172.1 seconds | 40023050 |
| RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 186.8 seconds | 40023050 |
| MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 716.8 seconds | 40023050 |
| KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 468.5 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 | 366.1 seconds | 40023050 |
| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
|---|
| N5-Acetylornithine,1TMS,isomer #1 | CC(=O)NCCC[C@H](N)C(=O)O[Si](C)(C)C | 1735.7 | Semi standard non polar | 33892256 |
| N5-Acetylornithine,1TMS,isomer #2 | CC(=O)NCCC[C@H](N[Si](C)(C)C)C(=O)O | 1807.1 | Semi standard non polar | 33892256 |
| N5-Acetylornithine,1TMS,isomer #3 | CC(=O)N(CCC[C@H](N)C(=O)O)[Si](C)(C)C | 1795.9 | Semi standard non polar | 33892256 |
| N5-Acetylornithine,2TMS,isomer #1 | CC(=O)NCCC[C@H](N[Si](C)(C)C)C(=O)O[Si](C)(C)C | 1841.5 | Semi standard non polar | 33892256 |
| N5-Acetylornithine,2TMS,isomer #1 | CC(=O)NCCC[C@H](N[Si](C)(C)C)C(=O)O[Si](C)(C)C | 1823.1 | Standard non polar | 33892256 |
| N5-Acetylornithine,2TMS,isomer #1 | CC(=O)NCCC[C@H](N[Si](C)(C)C)C(=O)O[Si](C)(C)C | 2297.0 | Standard polar | 33892256 |
| N5-Acetylornithine,2TMS,isomer #2 | CC(=O)N(CCC[C@H](N)C(=O)O[Si](C)(C)C)[Si](C)(C)C | 1738.0 | Semi standard non polar | 33892256 |
| N5-Acetylornithine,2TMS,isomer #2 | CC(=O)N(CCC[C@H](N)C(=O)O[Si](C)(C)C)[Si](C)(C)C | 1855.3 | Standard non polar | 33892256 |
| N5-Acetylornithine,2TMS,isomer #2 | CC(=O)N(CCC[C@H](N)C(=O)O[Si](C)(C)C)[Si](C)(C)C | 2559.4 | Standard polar | 33892256 |
| N5-Acetylornithine,2TMS,isomer #3 | CC(=O)N(CCC[C@H](N[Si](C)(C)C)C(=O)O)[Si](C)(C)C | 1861.9 | Semi standard non polar | 33892256 |
| N5-Acetylornithine,2TMS,isomer #3 | CC(=O)N(CCC[C@H](N[Si](C)(C)C)C(=O)O)[Si](C)(C)C | 1849.9 | Standard non polar | 33892256 |
| N5-Acetylornithine,2TMS,isomer #3 | CC(=O)N(CCC[C@H](N[Si](C)(C)C)C(=O)O)[Si](C)(C)C | 2404.5 | Standard polar | 33892256 |
| N5-Acetylornithine,2TMS,isomer #4 | CC(=O)NCCC[C@@H](C(=O)O)N([Si](C)(C)C)[Si](C)(C)C | 1969.1 | Semi standard non polar | 33892256 |
| N5-Acetylornithine,2TMS,isomer #4 | CC(=O)NCCC[C@@H](C(=O)O)N([Si](C)(C)C)[Si](C)(C)C | 1864.8 | Standard non polar | 33892256 |
| N5-Acetylornithine,2TMS,isomer #4 | CC(=O)NCCC[C@@H](C(=O)O)N([Si](C)(C)C)[Si](C)(C)C | 2471.2 | Standard polar | 33892256 |
| N5-Acetylornithine,3TMS,isomer #1 | CC(=O)N(CCC[C@H](N[Si](C)(C)C)C(=O)O[Si](C)(C)C)[Si](C)(C)C | 1831.0 | Semi standard non polar | 33892256 |
| N5-Acetylornithine,3TMS,isomer #1 | CC(=O)N(CCC[C@H](N[Si](C)(C)C)C(=O)O[Si](C)(C)C)[Si](C)(C)C | 1897.0 | Standard non polar | 33892256 |
| N5-Acetylornithine,3TMS,isomer #1 | CC(=O)N(CCC[C@H](N[Si](C)(C)C)C(=O)O[Si](C)(C)C)[Si](C)(C)C | 2037.8 | Standard polar | 33892256 |
| N5-Acetylornithine,3TMS,isomer #2 | CC(=O)NCCC[C@@H](C(=O)O[Si](C)(C)C)N([Si](C)(C)C)[Si](C)(C)C | 1993.2 | Semi standard non polar | 33892256 |
| N5-Acetylornithine,3TMS,isomer #2 | CC(=O)NCCC[C@@H](C(=O)O[Si](C)(C)C)N([Si](C)(C)C)[Si](C)(C)C | 1928.0 | Standard non polar | 33892256 |
| N5-Acetylornithine,3TMS,isomer #2 | CC(=O)NCCC[C@@H](C(=O)O[Si](C)(C)C)N([Si](C)(C)C)[Si](C)(C)C | 2134.3 | Standard polar | 33892256 |
| N5-Acetylornithine,3TMS,isomer #3 | CC(=O)N(CCC[C@@H](C(=O)O)N([Si](C)(C)C)[Si](C)(C)C)[Si](C)(C)C | 1985.8 | Semi standard non polar | 33892256 |
| N5-Acetylornithine,3TMS,isomer #3 | CC(=O)N(CCC[C@@H](C(=O)O)N([Si](C)(C)C)[Si](C)(C)C)[Si](C)(C)C | 1969.5 | Standard non polar | 33892256 |
| N5-Acetylornithine,3TMS,isomer #3 | CC(=O)N(CCC[C@@H](C(=O)O)N([Si](C)(C)C)[Si](C)(C)C)[Si](C)(C)C | 2192.7 | Standard polar | 33892256 |
| N5-Acetylornithine,4TMS,isomer #1 | CC(=O)N(CCC[C@@H](C(=O)O[Si](C)(C)C)N([Si](C)(C)C)[Si](C)(C)C)[Si](C)(C)C | 1997.2 | Semi standard non polar | 33892256 |
| N5-Acetylornithine,4TMS,isomer #1 | CC(=O)N(CCC[C@@H](C(=O)O[Si](C)(C)C)N([Si](C)(C)C)[Si](C)(C)C)[Si](C)(C)C | 2007.1 | Standard non polar | 33892256 |
| N5-Acetylornithine,4TMS,isomer #1 | CC(=O)N(CCC[C@@H](C(=O)O[Si](C)(C)C)N([Si](C)(C)C)[Si](C)(C)C)[Si](C)(C)C | 1960.8 | Standard polar | 33892256 |
| N5-Acetylornithine,1TBDMS,isomer #1 | CC(=O)NCCC[C@H](N)C(=O)O[Si](C)(C)C(C)(C)C | 2012.8 | Semi standard non polar | 33892256 |
| N5-Acetylornithine,1TBDMS,isomer #2 | CC(=O)NCCC[C@H](N[Si](C)(C)C(C)(C)C)C(=O)O | 2075.7 | Semi standard non polar | 33892256 |
| N5-Acetylornithine,1TBDMS,isomer #3 | CC(=O)N(CCC[C@H](N)C(=O)O)[Si](C)(C)C(C)(C)C | 2012.1 | Semi standard non polar | 33892256 |
| N5-Acetylornithine,2TBDMS,isomer #1 | CC(=O)NCCC[C@H](N[Si](C)(C)C(C)(C)C)C(=O)O[Si](C)(C)C(C)(C)C | 2319.7 | Semi standard non polar | 33892256 |
| N5-Acetylornithine,2TBDMS,isomer #1 | CC(=O)NCCC[C@H](N[Si](C)(C)C(C)(C)C)C(=O)O[Si](C)(C)C(C)(C)C | 2242.5 | Standard non polar | 33892256 |
| N5-Acetylornithine,2TBDMS,isomer #1 | CC(=O)NCCC[C@H](N[Si](C)(C)C(C)(C)C)C(=O)O[Si](C)(C)C(C)(C)C | 2394.4 | Standard polar | 33892256 |
| N5-Acetylornithine,2TBDMS,isomer #2 | CC(=O)N(CCC[C@H](N)C(=O)O[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2223.5 | Semi standard non polar | 33892256 |
| N5-Acetylornithine,2TBDMS,isomer #2 | CC(=O)N(CCC[C@H](N)C(=O)O[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2285.0 | Standard non polar | 33892256 |
| N5-Acetylornithine,2TBDMS,isomer #2 | CC(=O)N(CCC[C@H](N)C(=O)O[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2601.4 | Standard polar | 33892256 |
| N5-Acetylornithine,2TBDMS,isomer #3 | CC(=O)N(CCC[C@H](N[Si](C)(C)C(C)(C)C)C(=O)O)[Si](C)(C)C(C)(C)C | 2343.8 | Semi standard non polar | 33892256 |
| N5-Acetylornithine,2TBDMS,isomer #3 | CC(=O)N(CCC[C@H](N[Si](C)(C)C(C)(C)C)C(=O)O)[Si](C)(C)C(C)(C)C | 2278.0 | Standard non polar | 33892256 |
| N5-Acetylornithine,2TBDMS,isomer #3 | CC(=O)N(CCC[C@H](N[Si](C)(C)C(C)(C)C)C(=O)O)[Si](C)(C)C(C)(C)C | 2481.0 | Standard polar | 33892256 |
| N5-Acetylornithine,2TBDMS,isomer #4 | CC(=O)NCCC[C@@H](C(=O)O)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2433.2 | Semi standard non polar | 33892256 |
| N5-Acetylornithine,2TBDMS,isomer #4 | CC(=O)NCCC[C@@H](C(=O)O)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2282.3 | Standard non polar | 33892256 |
| N5-Acetylornithine,2TBDMS,isomer #4 | CC(=O)NCCC[C@@H](C(=O)O)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2487.6 | Standard polar | 33892256 |
| N5-Acetylornithine,3TBDMS,isomer #1 | CC(=O)N(CCC[C@H](N[Si](C)(C)C(C)(C)C)C(=O)O[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2519.8 | Semi standard non polar | 33892256 |
| N5-Acetylornithine,3TBDMS,isomer #1 | CC(=O)N(CCC[C@H](N[Si](C)(C)C(C)(C)C)C(=O)O[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2500.6 | Standard non polar | 33892256 |
| N5-Acetylornithine,3TBDMS,isomer #1 | CC(=O)N(CCC[C@H](N[Si](C)(C)C(C)(C)C)C(=O)O[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2392.5 | Standard polar | 33892256 |
| N5-Acetylornithine,3TBDMS,isomer #2 | CC(=O)NCCC[C@@H](C(=O)O[Si](C)(C)C(C)(C)C)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2667.7 | Semi standard non polar | 33892256 |
| N5-Acetylornithine,3TBDMS,isomer #2 | CC(=O)NCCC[C@@H](C(=O)O[Si](C)(C)C(C)(C)C)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2531.1 | Standard non polar | 33892256 |
| N5-Acetylornithine,3TBDMS,isomer #2 | CC(=O)NCCC[C@@H](C(=O)O[Si](C)(C)C(C)(C)C)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2407.7 | Standard polar | 33892256 |
| N5-Acetylornithine,3TBDMS,isomer #3 | CC(=O)N(CCC[C@@H](C(=O)O)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2657.5 | Semi standard non polar | 33892256 |
| N5-Acetylornithine,3TBDMS,isomer #3 | CC(=O)N(CCC[C@@H](C(=O)O)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2560.9 | Standard non polar | 33892256 |
| N5-Acetylornithine,3TBDMS,isomer #3 | CC(=O)N(CCC[C@@H](C(=O)O)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2465.5 | Standard polar | 33892256 |
| N5-Acetylornithine,4TBDMS,isomer #1 | CC(=O)N(CCC[C@@H](C(=O)O[Si](C)(C)C(C)(C)C)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2873.9 | Semi standard non polar | 33892256 |
| N5-Acetylornithine,4TBDMS,isomer #1 | CC(=O)N(CCC[C@@H](C(=O)O[Si](C)(C)C(C)(C)C)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2764.4 | Standard non polar | 33892256 |
| N5-Acetylornithine,4TBDMS,isomer #1 | CC(=O)N(CCC[C@@H](C(=O)O[Si](C)(C)C(C)(C)C)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2418.9 | Standard polar | 33892256 |