| 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. | 2.11 minutes | 32390414 |
| Predicted by Siyang on May 30, 2022 | 9.1828 minutes | 33406817 |
| Predicted by Siyang using ReTip algorithm on June 8, 2022 | 5.38 minutes | 32390414 |
| AjsUoB = Accucore 150 Amide HILIC with 10mM Ammonium Formate, 0.1% Formic Acid | 213.4 seconds | 40023050 |
| Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 566.1 seconds | 40023050 |
| Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 250.3 seconds | 40023050 |
| Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 82.1 seconds | 40023050 |
| Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 159.3 seconds | 40023050 |
| RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 43.8 seconds | 40023050 |
| Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 219.6 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 | 280.0 seconds | 40023050 |
| HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 703.2 seconds | 40023050 |
| UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 589.2 seconds | 40023050 |
| BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 72.2 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 | 772.1 seconds | 40023050 |
| SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 186.0 seconds | 40023050 |
| RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 188.8 seconds | 40023050 |
| MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 548.2 seconds | 40023050 |
| KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 484.8 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 | 304.2 seconds | 40023050 |
| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
|---|
| Formyl-5-hydroxykynurenamine,1TMS,isomer #1 | C[Si](C)(C)OC1=CC=C(NC=O)C(C(=O)CCN)=C1 | 2234.8 | Semi standard non polar | 33892256 |
| Formyl-5-hydroxykynurenamine,1TMS,isomer #2 | C[Si](C)(C)NCCC(=O)C1=CC(O)=CC=C1NC=O | 2325.0 | Semi standard non polar | 33892256 |
| Formyl-5-hydroxykynurenamine,1TMS,isomer #3 | C[Si](C)(C)N(C=O)C1=CC=C(O)C=C1C(=O)CCN | 2127.5 | Semi standard non polar | 33892256 |
| Formyl-5-hydroxykynurenamine,2TMS,isomer #1 | C[Si](C)(C)NCCC(=O)C1=CC(O[Si](C)(C)C)=CC=C1NC=O | 2361.8 | Semi standard non polar | 33892256 |
| Formyl-5-hydroxykynurenamine,2TMS,isomer #1 | C[Si](C)(C)NCCC(=O)C1=CC(O[Si](C)(C)C)=CC=C1NC=O | 2407.1 | Standard non polar | 33892256 |
| Formyl-5-hydroxykynurenamine,2TMS,isomer #1 | C[Si](C)(C)NCCC(=O)C1=CC(O[Si](C)(C)C)=CC=C1NC=O | 2904.9 | Standard polar | 33892256 |
| Formyl-5-hydroxykynurenamine,2TMS,isomer #2 | C[Si](C)(C)OC1=CC=C(N(C=O)[Si](C)(C)C)C(C(=O)CCN)=C1 | 2142.1 | Semi standard non polar | 33892256 |
| Formyl-5-hydroxykynurenamine,2TMS,isomer #2 | C[Si](C)(C)OC1=CC=C(N(C=O)[Si](C)(C)C)C(C(=O)CCN)=C1 | 2375.9 | Standard non polar | 33892256 |
| Formyl-5-hydroxykynurenamine,2TMS,isomer #2 | C[Si](C)(C)OC1=CC=C(N(C=O)[Si](C)(C)C)C(C(=O)CCN)=C1 | 2774.6 | Standard polar | 33892256 |
| Formyl-5-hydroxykynurenamine,2TMS,isomer #3 | C[Si](C)(C)N(CCC(=O)C1=CC(O)=CC=C1NC=O)[Si](C)(C)C | 2498.8 | Semi standard non polar | 33892256 |
| Formyl-5-hydroxykynurenamine,2TMS,isomer #3 | C[Si](C)(C)N(CCC(=O)C1=CC(O)=CC=C1NC=O)[Si](C)(C)C | 2628.5 | Standard non polar | 33892256 |
| Formyl-5-hydroxykynurenamine,2TMS,isomer #3 | C[Si](C)(C)N(CCC(=O)C1=CC(O)=CC=C1NC=O)[Si](C)(C)C | 3134.2 | Standard polar | 33892256 |
| Formyl-5-hydroxykynurenamine,2TMS,isomer #4 | C[Si](C)(C)NCCC(=O)C1=CC(O)=CC=C1N(C=O)[Si](C)(C)C | 2218.8 | Semi standard non polar | 33892256 |
| Formyl-5-hydroxykynurenamine,2TMS,isomer #4 | C[Si](C)(C)NCCC(=O)C1=CC(O)=CC=C1N(C=O)[Si](C)(C)C | 2537.3 | Standard non polar | 33892256 |
| Formyl-5-hydroxykynurenamine,2TMS,isomer #4 | C[Si](C)(C)NCCC(=O)C1=CC(O)=CC=C1N(C=O)[Si](C)(C)C | 2774.2 | Standard polar | 33892256 |
| Formyl-5-hydroxykynurenamine,3TMS,isomer #1 | C[Si](C)(C)OC1=CC=C(NC=O)C(C(=O)CCN([Si](C)(C)C)[Si](C)(C)C)=C1 | 2515.1 | Semi standard non polar | 33892256 |
| Formyl-5-hydroxykynurenamine,3TMS,isomer #1 | C[Si](C)(C)OC1=CC=C(NC=O)C(C(=O)CCN([Si](C)(C)C)[Si](C)(C)C)=C1 | 2549.9 | Standard non polar | 33892256 |
| Formyl-5-hydroxykynurenamine,3TMS,isomer #1 | C[Si](C)(C)OC1=CC=C(NC=O)C(C(=O)CCN([Si](C)(C)C)[Si](C)(C)C)=C1 | 2771.6 | Standard polar | 33892256 |
| Formyl-5-hydroxykynurenamine,3TMS,isomer #2 | C[Si](C)(C)NCCC(=O)C1=CC(O[Si](C)(C)C)=CC=C1N(C=O)[Si](C)(C)C | 2248.9 | Semi standard non polar | 33892256 |
| Formyl-5-hydroxykynurenamine,3TMS,isomer #2 | C[Si](C)(C)NCCC(=O)C1=CC(O[Si](C)(C)C)=CC=C1N(C=O)[Si](C)(C)C | 2481.3 | Standard non polar | 33892256 |
| Formyl-5-hydroxykynurenamine,3TMS,isomer #2 | C[Si](C)(C)NCCC(=O)C1=CC(O[Si](C)(C)C)=CC=C1N(C=O)[Si](C)(C)C | 2538.6 | Standard polar | 33892256 |
| Formyl-5-hydroxykynurenamine,3TMS,isomer #3 | C[Si](C)(C)N(C=O)C1=CC=C(O)C=C1C(=O)CCN([Si](C)(C)C)[Si](C)(C)C | 2370.4 | Semi standard non polar | 33892256 |
| Formyl-5-hydroxykynurenamine,3TMS,isomer #3 | C[Si](C)(C)N(C=O)C1=CC=C(O)C=C1C(=O)CCN([Si](C)(C)C)[Si](C)(C)C | 2701.3 | Standard non polar | 33892256 |
| Formyl-5-hydroxykynurenamine,3TMS,isomer #3 | C[Si](C)(C)N(C=O)C1=CC=C(O)C=C1C(=O)CCN([Si](C)(C)C)[Si](C)(C)C | 2662.8 | Standard polar | 33892256 |
| Formyl-5-hydroxykynurenamine,4TMS,isomer #1 | C[Si](C)(C)OC1=CC=C(N(C=O)[Si](C)(C)C)C(C(=O)CCN([Si](C)(C)C)[Si](C)(C)C)=C1 | 2415.5 | Semi standard non polar | 33892256 |
| Formyl-5-hydroxykynurenamine,4TMS,isomer #1 | C[Si](C)(C)OC1=CC=C(N(C=O)[Si](C)(C)C)C(C(=O)CCN([Si](C)(C)C)[Si](C)(C)C)=C1 | 2604.8 | Standard non polar | 33892256 |
| Formyl-5-hydroxykynurenamine,4TMS,isomer #1 | C[Si](C)(C)OC1=CC=C(N(C=O)[Si](C)(C)C)C(C(=O)CCN([Si](C)(C)C)[Si](C)(C)C)=C1 | 2501.3 | Standard polar | 33892256 |
| Formyl-5-hydroxykynurenamine,1TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC1=CC=C(NC=O)C(C(=O)CCN)=C1 | 2511.7 | Semi standard non polar | 33892256 |
| Formyl-5-hydroxykynurenamine,1TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)NCCC(=O)C1=CC(O)=CC=C1NC=O | 2592.9 | Semi standard non polar | 33892256 |
| Formyl-5-hydroxykynurenamine,1TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)N(C=O)C1=CC=C(O)C=C1C(=O)CCN | 2389.8 | Semi standard non polar | 33892256 |
| Formyl-5-hydroxykynurenamine,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)NCCC(=O)C1=CC(O[Si](C)(C)C(C)(C)C)=CC=C1NC=O | 2866.3 | Semi standard non polar | 33892256 |
| Formyl-5-hydroxykynurenamine,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)NCCC(=O)C1=CC(O[Si](C)(C)C(C)(C)C)=CC=C1NC=O | 2820.1 | Standard non polar | 33892256 |
| Formyl-5-hydroxykynurenamine,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)NCCC(=O)C1=CC(O[Si](C)(C)C(C)(C)C)=CC=C1NC=O | 2976.7 | Standard polar | 33892256 |
| Formyl-5-hydroxykynurenamine,2TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OC1=CC=C(N(C=O)[Si](C)(C)C(C)(C)C)C(C(=O)CCN)=C1 | 2654.7 | Semi standard non polar | 33892256 |
| Formyl-5-hydroxykynurenamine,2TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OC1=CC=C(N(C=O)[Si](C)(C)C(C)(C)C)C(C(=O)CCN)=C1 | 2761.5 | Standard non polar | 33892256 |
| Formyl-5-hydroxykynurenamine,2TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OC1=CC=C(N(C=O)[Si](C)(C)C(C)(C)C)C(C(=O)CCN)=C1 | 2887.9 | Standard polar | 33892256 |
| Formyl-5-hydroxykynurenamine,2TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)N(CCC(=O)C1=CC(O)=CC=C1NC=O)[Si](C)(C)C(C)(C)C | 2978.3 | Semi standard non polar | 33892256 |
| Formyl-5-hydroxykynurenamine,2TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)N(CCC(=O)C1=CC(O)=CC=C1NC=O)[Si](C)(C)C(C)(C)C | 3000.9 | Standard non polar | 33892256 |
| Formyl-5-hydroxykynurenamine,2TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)N(CCC(=O)C1=CC(O)=CC=C1NC=O)[Si](C)(C)C(C)(C)C | 3084.2 | Standard polar | 33892256 |
| Formyl-5-hydroxykynurenamine,2TBDMS,isomer #4 | CC(C)(C)[Si](C)(C)NCCC(=O)C1=CC(O)=CC=C1N(C=O)[Si](C)(C)C(C)(C)C | 2710.1 | Semi standard non polar | 33892256 |
| Formyl-5-hydroxykynurenamine,2TBDMS,isomer #4 | CC(C)(C)[Si](C)(C)NCCC(=O)C1=CC(O)=CC=C1N(C=O)[Si](C)(C)C(C)(C)C | 2903.0 | Standard non polar | 33892256 |
| Formyl-5-hydroxykynurenamine,2TBDMS,isomer #4 | CC(C)(C)[Si](C)(C)NCCC(=O)C1=CC(O)=CC=C1N(C=O)[Si](C)(C)C(C)(C)C | 2882.3 | Standard polar | 33892256 |
| Formyl-5-hydroxykynurenamine,3TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC1=CC=C(NC=O)C(C(=O)CCN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)=C1 | 3272.1 | Semi standard non polar | 33892256 |
| Formyl-5-hydroxykynurenamine,3TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC1=CC=C(NC=O)C(C(=O)CCN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)=C1 | 3113.9 | Standard non polar | 33892256 |
| Formyl-5-hydroxykynurenamine,3TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC1=CC=C(NC=O)C(C(=O)CCN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)=C1 | 2960.6 | Standard polar | 33892256 |
| Formyl-5-hydroxykynurenamine,3TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)NCCC(=O)C1=CC(O[Si](C)(C)C(C)(C)C)=CC=C1N(C=O)[Si](C)(C)C(C)(C)C | 2946.5 | Semi standard non polar | 33892256 |
| Formyl-5-hydroxykynurenamine,3TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)NCCC(=O)C1=CC(O[Si](C)(C)C(C)(C)C)=CC=C1N(C=O)[Si](C)(C)C(C)(C)C | 3020.5 | Standard non polar | 33892256 |
| Formyl-5-hydroxykynurenamine,3TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)NCCC(=O)C1=CC(O[Si](C)(C)C(C)(C)C)=CC=C1N(C=O)[Si](C)(C)C(C)(C)C | 2837.4 | Standard polar | 33892256 |
| Formyl-5-hydroxykynurenamine,3TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)N(C=O)C1=CC=C(O)C=C1C(=O)CCN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 3087.2 | Semi standard non polar | 33892256 |
| Formyl-5-hydroxykynurenamine,3TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)N(C=O)C1=CC=C(O)C=C1C(=O)CCN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 3185.7 | Standard non polar | 33892256 |
| Formyl-5-hydroxykynurenamine,3TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)N(C=O)C1=CC=C(O)C=C1C(=O)CCN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2891.1 | Standard polar | 33892256 |
| Formyl-5-hydroxykynurenamine,4TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC1=CC=C(N(C=O)[Si](C)(C)C(C)(C)C)C(C(=O)CCN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)=C1 | 3357.6 | Semi standard non polar | 33892256 |
| Formyl-5-hydroxykynurenamine,4TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC1=CC=C(N(C=O)[Si](C)(C)C(C)(C)C)C(C(=O)CCN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)=C1 | 3280.0 | Standard non polar | 33892256 |
| Formyl-5-hydroxykynurenamine,4TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC1=CC=C(N(C=O)[Si](C)(C)C(C)(C)C)C(C(=O)CCN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)=C1 | 2846.1 | Standard polar | 33892256 |