| 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. | 2.08 minutes | 32390414 |
| Predicted by Siyang on May 30, 2022 | 10.346 minutes | 33406817 |
| Predicted by Siyang using ReTip algorithm on June 8, 2022 | 7.55 minutes | 32390414 |
| Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 648.1 seconds | 40023050 |
| Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 262.8 seconds | 40023050 |
| Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 72.9 seconds | 40023050 |
| Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 164.0 seconds | 40023050 |
| RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 48.9 seconds | 40023050 |
| Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 244.9 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 | 307.6 seconds | 40023050 |
| HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 676.8 seconds | 40023050 |
| UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 655.1 seconds | 40023050 |
| BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 128.4 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 | 873.1 seconds | 40023050 |
| SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 200.2 seconds | 40023050 |
| RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 202.6 seconds | 40023050 |
| MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 460.8 seconds | 40023050 |
| KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 354.5 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 | 349.7 seconds | 40023050 |
| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
|---|
| L-Formylkynurenine,1TMS,isomer #1 | C[Si](C)(C)OC(=O)[C@@H](N)CC(=O)C1=CC=CC=C1NC=O | 2304.5 | Semi standard non polar | 33892256 |
| L-Formylkynurenine,1TMS,isomer #2 | C[Si](C)(C)N[C@@H](CC(=O)C1=CC=CC=C1NC=O)C(=O)O | 2330.8 | Semi standard non polar | 33892256 |
| L-Formylkynurenine,1TMS,isomer #3 | C[Si](C)(C)N(C=O)C1=CC=CC=C1C(=O)C[C@H](N)C(=O)O | 2233.6 | Semi standard non polar | 33892256 |
| L-Formylkynurenine,2TMS,isomer #1 | C[Si](C)(C)N[C@@H](CC(=O)C1=CC=CC=C1NC=O)C(=O)O[Si](C)(C)C | 2327.1 | Semi standard non polar | 33892256 |
| L-Formylkynurenine,2TMS,isomer #1 | C[Si](C)(C)N[C@@H](CC(=O)C1=CC=CC=C1NC=O)C(=O)O[Si](C)(C)C | 2313.7 | Standard non polar | 33892256 |
| L-Formylkynurenine,2TMS,isomer #1 | C[Si](C)(C)N[C@@H](CC(=O)C1=CC=CC=C1NC=O)C(=O)O[Si](C)(C)C | 3115.0 | Standard polar | 33892256 |
| L-Formylkynurenine,2TMS,isomer #2 | C[Si](C)(C)OC(=O)[C@@H](N)CC(=O)C1=CC=CC=C1N(C=O)[Si](C)(C)C | 2206.8 | Semi standard non polar | 33892256 |
| L-Formylkynurenine,2TMS,isomer #2 | C[Si](C)(C)OC(=O)[C@@H](N)CC(=O)C1=CC=CC=C1N(C=O)[Si](C)(C)C | 2372.4 | Standard non polar | 33892256 |
| L-Formylkynurenine,2TMS,isomer #2 | C[Si](C)(C)OC(=O)[C@@H](N)CC(=O)C1=CC=CC=C1N(C=O)[Si](C)(C)C | 3071.3 | Standard polar | 33892256 |
| L-Formylkynurenine,2TMS,isomer #3 | C[Si](C)(C)N([C@@H](CC(=O)C1=CC=CC=C1NC=O)C(=O)O)[Si](C)(C)C | 2434.1 | Semi standard non polar | 33892256 |
| L-Formylkynurenine,2TMS,isomer #3 | C[Si](C)(C)N([C@@H](CC(=O)C1=CC=CC=C1NC=O)C(=O)O)[Si](C)(C)C | 2449.3 | Standard non polar | 33892256 |
| L-Formylkynurenine,2TMS,isomer #3 | C[Si](C)(C)N([C@@H](CC(=O)C1=CC=CC=C1NC=O)C(=O)O)[Si](C)(C)C | 3296.9 | Standard polar | 33892256 |
| L-Formylkynurenine,2TMS,isomer #4 | C[Si](C)(C)N[C@@H](CC(=O)C1=CC=CC=C1N(C=O)[Si](C)(C)C)C(=O)O | 2246.8 | Semi standard non polar | 33892256 |
| L-Formylkynurenine,2TMS,isomer #4 | C[Si](C)(C)N[C@@H](CC(=O)C1=CC=CC=C1N(C=O)[Si](C)(C)C)C(=O)O | 2431.5 | Standard non polar | 33892256 |
| L-Formylkynurenine,2TMS,isomer #4 | C[Si](C)(C)N[C@@H](CC(=O)C1=CC=CC=C1N(C=O)[Si](C)(C)C)C(=O)O | 3018.9 | Standard polar | 33892256 |
| L-Formylkynurenine,3TMS,isomer #1 | C[Si](C)(C)OC(=O)[C@H](CC(=O)C1=CC=CC=C1NC=O)N([Si](C)(C)C)[Si](C)(C)C | 2469.6 | Semi standard non polar | 33892256 |
| L-Formylkynurenine,3TMS,isomer #1 | C[Si](C)(C)OC(=O)[C@H](CC(=O)C1=CC=CC=C1NC=O)N([Si](C)(C)C)[Si](C)(C)C | 2421.7 | Standard non polar | 33892256 |
| L-Formylkynurenine,3TMS,isomer #1 | C[Si](C)(C)OC(=O)[C@H](CC(=O)C1=CC=CC=C1NC=O)N([Si](C)(C)C)[Si](C)(C)C | 2941.4 | Standard polar | 33892256 |
| L-Formylkynurenine,3TMS,isomer #2 | C[Si](C)(C)N[C@@H](CC(=O)C1=CC=CC=C1N(C=O)[Si](C)(C)C)C(=O)O[Si](C)(C)C | 2246.8 | Semi standard non polar | 33892256 |
| L-Formylkynurenine,3TMS,isomer #2 | C[Si](C)(C)N[C@@H](CC(=O)C1=CC=CC=C1N(C=O)[Si](C)(C)C)C(=O)O[Si](C)(C)C | 2378.5 | Standard non polar | 33892256 |
| L-Formylkynurenine,3TMS,isomer #2 | C[Si](C)(C)N[C@@H](CC(=O)C1=CC=CC=C1N(C=O)[Si](C)(C)C)C(=O)O[Si](C)(C)C | 2727.5 | Standard polar | 33892256 |
| L-Formylkynurenine,3TMS,isomer #3 | C[Si](C)(C)N(C=O)C1=CC=CC=C1C(=O)C[C@@H](C(=O)O)N([Si](C)(C)C)[Si](C)(C)C | 2347.7 | Semi standard non polar | 33892256 |
| L-Formylkynurenine,3TMS,isomer #3 | C[Si](C)(C)N(C=O)C1=CC=CC=C1C(=O)C[C@@H](C(=O)O)N([Si](C)(C)C)[Si](C)(C)C | 2536.6 | Standard non polar | 33892256 |
| L-Formylkynurenine,3TMS,isomer #3 | C[Si](C)(C)N(C=O)C1=CC=CC=C1C(=O)C[C@@H](C(=O)O)N([Si](C)(C)C)[Si](C)(C)C | 2866.9 | Standard polar | 33892256 |
| L-Formylkynurenine,4TMS,isomer #1 | C[Si](C)(C)OC(=O)[C@H](CC(=O)C1=CC=CC=C1N(C=O)[Si](C)(C)C)N([Si](C)(C)C)[Si](C)(C)C | 2417.4 | Semi standard non polar | 33892256 |
| L-Formylkynurenine,4TMS,isomer #1 | C[Si](C)(C)OC(=O)[C@H](CC(=O)C1=CC=CC=C1N(C=O)[Si](C)(C)C)N([Si](C)(C)C)[Si](C)(C)C | 2490.7 | Standard non polar | 33892256 |
| L-Formylkynurenine,4TMS,isomer #1 | C[Si](C)(C)OC(=O)[C@H](CC(=O)C1=CC=CC=C1N(C=O)[Si](C)(C)C)N([Si](C)(C)C)[Si](C)(C)C | 2645.3 | Standard polar | 33892256 |
| L-Formylkynurenine,1TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)[C@@H](N)CC(=O)C1=CC=CC=C1NC=O | 2565.4 | Semi standard non polar | 33892256 |
| L-Formylkynurenine,1TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)N[C@@H](CC(=O)C1=CC=CC=C1NC=O)C(=O)O | 2564.7 | Semi standard non polar | 33892256 |
| L-Formylkynurenine,1TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)N(C=O)C1=CC=CC=C1C(=O)C[C@H](N)C(=O)O | 2483.4 | Semi standard non polar | 33892256 |
| L-Formylkynurenine,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)N[C@@H](CC(=O)C1=CC=CC=C1NC=O)C(=O)O[Si](C)(C)C(C)(C)C | 2806.5 | Semi standard non polar | 33892256 |
| L-Formylkynurenine,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)N[C@@H](CC(=O)C1=CC=CC=C1NC=O)C(=O)O[Si](C)(C)C(C)(C)C | 2769.1 | Standard non polar | 33892256 |
| L-Formylkynurenine,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)N[C@@H](CC(=O)C1=CC=CC=C1NC=O)C(=O)O[Si](C)(C)C(C)(C)C | 3192.6 | Standard polar | 33892256 |
| L-Formylkynurenine,2TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OC(=O)[C@@H](N)CC(=O)C1=CC=CC=C1N(C=O)[Si](C)(C)C(C)(C)C | 2667.7 | Semi standard non polar | 33892256 |
| L-Formylkynurenine,2TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OC(=O)[C@@H](N)CC(=O)C1=CC=CC=C1N(C=O)[Si](C)(C)C(C)(C)C | 2785.9 | Standard non polar | 33892256 |
| L-Formylkynurenine,2TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OC(=O)[C@@H](N)CC(=O)C1=CC=CC=C1N(C=O)[Si](C)(C)C(C)(C)C | 3195.1 | Standard polar | 33892256 |
| L-Formylkynurenine,2TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)N([C@@H](CC(=O)C1=CC=CC=C1NC=O)C(=O)O)[Si](C)(C)C(C)(C)C | 2944.8 | Semi standard non polar | 33892256 |
| L-Formylkynurenine,2TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)N([C@@H](CC(=O)C1=CC=CC=C1NC=O)C(=O)O)[Si](C)(C)C(C)(C)C | 2861.3 | Standard non polar | 33892256 |
| L-Formylkynurenine,2TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)N([C@@H](CC(=O)C1=CC=CC=C1NC=O)C(=O)O)[Si](C)(C)C(C)(C)C | 3287.1 | Standard polar | 33892256 |
| L-Formylkynurenine,2TBDMS,isomer #4 | CC(C)(C)[Si](C)(C)N[C@@H](CC(=O)C1=CC=CC=C1N(C=O)[Si](C)(C)C(C)(C)C)C(=O)O | 2689.8 | Semi standard non polar | 33892256 |
| L-Formylkynurenine,2TBDMS,isomer #4 | CC(C)(C)[Si](C)(C)N[C@@H](CC(=O)C1=CC=CC=C1N(C=O)[Si](C)(C)C(C)(C)C)C(=O)O | 2804.2 | Standard non polar | 33892256 |
| L-Formylkynurenine,2TBDMS,isomer #4 | CC(C)(C)[Si](C)(C)N[C@@H](CC(=O)C1=CC=CC=C1N(C=O)[Si](C)(C)C(C)(C)C)C(=O)O | 3159.4 | Standard polar | 33892256 |
| L-Formylkynurenine,3TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)[C@H](CC(=O)C1=CC=CC=C1NC=O)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 3166.9 | Semi standard non polar | 33892256 |
| L-Formylkynurenine,3TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)[C@H](CC(=O)C1=CC=CC=C1NC=O)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 3039.9 | Standard non polar | 33892256 |
| L-Formylkynurenine,3TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)[C@H](CC(=O)C1=CC=CC=C1NC=O)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 3138.1 | Standard polar | 33892256 |
| L-Formylkynurenine,3TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)N[C@@H](CC(=O)C1=CC=CC=C1N(C=O)[Si](C)(C)C(C)(C)C)C(=O)O[Si](C)(C)C(C)(C)C | 2870.0 | Semi standard non polar | 33892256 |
| L-Formylkynurenine,3TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)N[C@@H](CC(=O)C1=CC=CC=C1N(C=O)[Si](C)(C)C(C)(C)C)C(=O)O[Si](C)(C)C(C)(C)C | 2961.6 | Standard non polar | 33892256 |
| L-Formylkynurenine,3TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)N[C@@H](CC(=O)C1=CC=CC=C1N(C=O)[Si](C)(C)C(C)(C)C)C(=O)O[Si](C)(C)C(C)(C)C | 3031.5 | Standard polar | 33892256 |
| L-Formylkynurenine,3TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)N(C=O)C1=CC=CC=C1C(=O)C[C@@H](C(=O)O)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 3053.3 | Semi standard non polar | 33892256 |
| L-Formylkynurenine,3TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)N(C=O)C1=CC=CC=C1C(=O)C[C@@H](C(=O)O)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 3068.4 | Standard non polar | 33892256 |
| L-Formylkynurenine,3TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)N(C=O)C1=CC=CC=C1C(=O)C[C@@H](C(=O)O)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 3094.7 | Standard polar | 33892256 |
| L-Formylkynurenine,4TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)[C@H](CC(=O)C1=CC=CC=C1N(C=O)[Si](C)(C)C(C)(C)C)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 3289.4 | Semi standard non polar | 33892256 |
| L-Formylkynurenine,4TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)[C@H](CC(=O)C1=CC=CC=C1N(C=O)[Si](C)(C)C(C)(C)C)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 3218.3 | Standard non polar | 33892256 |
| L-Formylkynurenine,4TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)[C@H](CC(=O)C1=CC=CC=C1N(C=O)[Si](C)(C)C(C)(C)C)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2986.4 | Standard polar | 33892256 |