| Chromatographic Method | Retention Time | Reference |
|---|
| Predicted by Siyang on May 30, 2022 | 10.0243 minutes | 33406817 |
| Predicted by Siyang using ReTip algorithm on June 8, 2022 | 8.9 minutes | 32390414 |
| Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 360.7 seconds | 40023050 |
| Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 278.3 seconds | 40023050 |
| Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 44.3 seconds | 40023050 |
| Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 170.3 seconds | 40023050 |
| RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 59.4 seconds | 40023050 |
| Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 315.4 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 | 241.2 seconds | 40023050 |
| HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 999.4 seconds | 40023050 |
| UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 621.1 seconds | 40023050 |
| BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 50.3 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 | 636.4 seconds | 40023050 |
| SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 185.5 seconds | 40023050 |
| RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 305.1 seconds | 40023050 |
| MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 827.2 seconds | 40023050 |
| KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 651.7 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 | 520.6 seconds | 40023050 |
| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
|---|
| 4-(3-Phosphonopropyl)piperazine-2-carboxylic acid,2TMS,isomer #1 | C[Si](C)(C)OC(=O)C1CN(CCCP(=O)(O)O[Si](C)(C)C)CCN1 | 2312.1 | Semi standard non polar | 33892256 |
| 4-(3-Phosphonopropyl)piperazine-2-carboxylic acid,2TMS,isomer #1 | C[Si](C)(C)OC(=O)C1CN(CCCP(=O)(O)O[Si](C)(C)C)CCN1 | 2282.8 | Standard non polar | 33892256 |
| 4-(3-Phosphonopropyl)piperazine-2-carboxylic acid,2TMS,isomer #1 | C[Si](C)(C)OC(=O)C1CN(CCCP(=O)(O)O[Si](C)(C)C)CCN1 | 3326.3 | Standard polar | 33892256 |
| 4-(3-Phosphonopropyl)piperazine-2-carboxylic acid,2TMS,isomer #2 | C[Si](C)(C)OC(=O)C1CN(CCCP(=O)(O)O)CCN1[Si](C)(C)C | 2310.8 | Semi standard non polar | 33892256 |
| 4-(3-Phosphonopropyl)piperazine-2-carboxylic acid,2TMS,isomer #2 | C[Si](C)(C)OC(=O)C1CN(CCCP(=O)(O)O)CCN1[Si](C)(C)C | 2313.6 | Standard non polar | 33892256 |
| 4-(3-Phosphonopropyl)piperazine-2-carboxylic acid,2TMS,isomer #2 | C[Si](C)(C)OC(=O)C1CN(CCCP(=O)(O)O)CCN1[Si](C)(C)C | 3473.4 | Standard polar | 33892256 |
| 4-(3-Phosphonopropyl)piperazine-2-carboxylic acid,2TMS,isomer #3 | C[Si](C)(C)OP(=O)(CCCN1CCNC(C(=O)O)C1)O[Si](C)(C)C | 2345.2 | Semi standard non polar | 33892256 |
| 4-(3-Phosphonopropyl)piperazine-2-carboxylic acid,2TMS,isomer #3 | C[Si](C)(C)OP(=O)(CCCN1CCNC(C(=O)O)C1)O[Si](C)(C)C | 2324.8 | Standard non polar | 33892256 |
| 4-(3-Phosphonopropyl)piperazine-2-carboxylic acid,2TMS,isomer #3 | C[Si](C)(C)OP(=O)(CCCN1CCNC(C(=O)O)C1)O[Si](C)(C)C | 3247.2 | Standard polar | 33892256 |
| 4-(3-Phosphonopropyl)piperazine-2-carboxylic acid,2TMS,isomer #4 | C[Si](C)(C)OP(=O)(O)CCCN1CCN([Si](C)(C)C)C(C(=O)O)C1 | 2338.2 | Semi standard non polar | 33892256 |
| 4-(3-Phosphonopropyl)piperazine-2-carboxylic acid,2TMS,isomer #4 | C[Si](C)(C)OP(=O)(O)CCCN1CCN([Si](C)(C)C)C(C(=O)O)C1 | 2337.1 | Standard non polar | 33892256 |
| 4-(3-Phosphonopropyl)piperazine-2-carboxylic acid,2TMS,isomer #4 | C[Si](C)(C)OP(=O)(O)CCCN1CCN([Si](C)(C)C)C(C(=O)O)C1 | 3263.7 | Standard polar | 33892256 |
| 4-(3-Phosphonopropyl)piperazine-2-carboxylic acid,3TMS,isomer #1 | C[Si](C)(C)OC(=O)C1CN(CCCP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)CCN1 | 2314.6 | Semi standard non polar | 33892256 |
| 4-(3-Phosphonopropyl)piperazine-2-carboxylic acid,3TMS,isomer #1 | C[Si](C)(C)OC(=O)C1CN(CCCP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)CCN1 | 2387.3 | Standard non polar | 33892256 |
| 4-(3-Phosphonopropyl)piperazine-2-carboxylic acid,3TMS,isomer #1 | C[Si](C)(C)OC(=O)C1CN(CCCP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)CCN1 | 2892.9 | Standard polar | 33892256 |
| 4-(3-Phosphonopropyl)piperazine-2-carboxylic acid,3TMS,isomer #2 | C[Si](C)(C)OC(=O)C1CN(CCCP(=O)(O)O[Si](C)(C)C)CCN1[Si](C)(C)C | 2322.1 | Semi standard non polar | 33892256 |
| 4-(3-Phosphonopropyl)piperazine-2-carboxylic acid,3TMS,isomer #2 | C[Si](C)(C)OC(=O)C1CN(CCCP(=O)(O)O[Si](C)(C)C)CCN1[Si](C)(C)C | 2387.3 | Standard non polar | 33892256 |
| 4-(3-Phosphonopropyl)piperazine-2-carboxylic acid,3TMS,isomer #2 | C[Si](C)(C)OC(=O)C1CN(CCCP(=O)(O)O[Si](C)(C)C)CCN1[Si](C)(C)C | 2989.1 | Standard polar | 33892256 |
| 4-(3-Phosphonopropyl)piperazine-2-carboxylic acid,3TMS,isomer #3 | C[Si](C)(C)OP(=O)(CCCN1CCN([Si](C)(C)C)C(C(=O)O)C1)O[Si](C)(C)C | 2363.5 | Semi standard non polar | 33892256 |
| 4-(3-Phosphonopropyl)piperazine-2-carboxylic acid,3TMS,isomer #3 | C[Si](C)(C)OP(=O)(CCCN1CCN([Si](C)(C)C)C(C(=O)O)C1)O[Si](C)(C)C | 2409.5 | Standard non polar | 33892256 |
| 4-(3-Phosphonopropyl)piperazine-2-carboxylic acid,3TMS,isomer #3 | C[Si](C)(C)OP(=O)(CCCN1CCN([Si](C)(C)C)C(C(=O)O)C1)O[Si](C)(C)C | 2873.9 | Standard polar | 33892256 |
| 4-(3-Phosphonopropyl)piperazine-2-carboxylic acid,4TMS,isomer #1 | C[Si](C)(C)OC(=O)C1CN(CCCP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)CCN1[Si](C)(C)C | 2346.4 | Semi standard non polar | 33892256 |
| 4-(3-Phosphonopropyl)piperazine-2-carboxylic acid,4TMS,isomer #1 | C[Si](C)(C)OC(=O)C1CN(CCCP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)CCN1[Si](C)(C)C | 2447.5 | Standard non polar | 33892256 |
| 4-(3-Phosphonopropyl)piperazine-2-carboxylic acid,4TMS,isomer #1 | C[Si](C)(C)OC(=O)C1CN(CCCP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)CCN1[Si](C)(C)C | 2667.7 | Standard polar | 33892256 |
| 4-(3-Phosphonopropyl)piperazine-2-carboxylic acid,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)C1CN(CCCP(=O)(O)O[Si](C)(C)C(C)(C)C)CCN1 | 2756.8 | Semi standard non polar | 33892256 |
| 4-(3-Phosphonopropyl)piperazine-2-carboxylic acid,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)C1CN(CCCP(=O)(O)O[Si](C)(C)C(C)(C)C)CCN1 | 2738.7 | Standard non polar | 33892256 |
| 4-(3-Phosphonopropyl)piperazine-2-carboxylic acid,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)C1CN(CCCP(=O)(O)O[Si](C)(C)C(C)(C)C)CCN1 | 3420.2 | Standard polar | 33892256 |
| 4-(3-Phosphonopropyl)piperazine-2-carboxylic acid,2TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OC(=O)C1CN(CCCP(=O)(O)O)CCN1[Si](C)(C)C(C)(C)C | 2817.4 | Semi standard non polar | 33892256 |
| 4-(3-Phosphonopropyl)piperazine-2-carboxylic acid,2TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OC(=O)C1CN(CCCP(=O)(O)O)CCN1[Si](C)(C)C(C)(C)C | 2783.9 | Standard non polar | 33892256 |
| 4-(3-Phosphonopropyl)piperazine-2-carboxylic acid,2TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OC(=O)C1CN(CCCP(=O)(O)O)CCN1[Si](C)(C)C(C)(C)C | 3620.0 | Standard polar | 33892256 |
| 4-(3-Phosphonopropyl)piperazine-2-carboxylic acid,2TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)OP(=O)(CCCN1CCNC(C(=O)O)C1)O[Si](C)(C)C(C)(C)C | 2831.4 | Semi standard non polar | 33892256 |
| 4-(3-Phosphonopropyl)piperazine-2-carboxylic acid,2TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)OP(=O)(CCCN1CCNC(C(=O)O)C1)O[Si](C)(C)C(C)(C)C | 2753.6 | Standard non polar | 33892256 |
| 4-(3-Phosphonopropyl)piperazine-2-carboxylic acid,2TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)OP(=O)(CCCN1CCNC(C(=O)O)C1)O[Si](C)(C)C(C)(C)C | 3367.2 | Standard polar | 33892256 |
| 4-(3-Phosphonopropyl)piperazine-2-carboxylic acid,2TBDMS,isomer #4 | CC(C)(C)[Si](C)(C)OP(=O)(O)CCCN1CCN([Si](C)(C)C(C)(C)C)C(C(=O)O)C1 | 2836.3 | Semi standard non polar | 33892256 |
| 4-(3-Phosphonopropyl)piperazine-2-carboxylic acid,2TBDMS,isomer #4 | CC(C)(C)[Si](C)(C)OP(=O)(O)CCCN1CCN([Si](C)(C)C(C)(C)C)C(C(=O)O)C1 | 2781.5 | Standard non polar | 33892256 |
| 4-(3-Phosphonopropyl)piperazine-2-carboxylic acid,2TBDMS,isomer #4 | CC(C)(C)[Si](C)(C)OP(=O)(O)CCCN1CCN([Si](C)(C)C(C)(C)C)C(C(=O)O)C1 | 3450.0 | Standard polar | 33892256 |
| 4-(3-Phosphonopropyl)piperazine-2-carboxylic acid,3TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)C1CN(CCCP(=O)(O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C)CCN1 | 2973.3 | Semi standard non polar | 33892256 |
| 4-(3-Phosphonopropyl)piperazine-2-carboxylic acid,3TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)C1CN(CCCP(=O)(O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C)CCN1 | 2959.5 | Standard non polar | 33892256 |
| 4-(3-Phosphonopropyl)piperazine-2-carboxylic acid,3TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)C1CN(CCCP(=O)(O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C)CCN1 | 3088.4 | Standard polar | 33892256 |
| 4-(3-Phosphonopropyl)piperazine-2-carboxylic acid,3TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OC(=O)C1CN(CCCP(=O)(O)O[Si](C)(C)C(C)(C)C)CCN1[Si](C)(C)C(C)(C)C | 3011.4 | Semi standard non polar | 33892256 |
| 4-(3-Phosphonopropyl)piperazine-2-carboxylic acid,3TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OC(=O)C1CN(CCCP(=O)(O)O[Si](C)(C)C(C)(C)C)CCN1[Si](C)(C)C(C)(C)C | 3010.2 | Standard non polar | 33892256 |
| 4-(3-Phosphonopropyl)piperazine-2-carboxylic acid,3TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OC(=O)C1CN(CCCP(=O)(O)O[Si](C)(C)C(C)(C)C)CCN1[Si](C)(C)C(C)(C)C | 3198.7 | Standard polar | 33892256 |
| 4-(3-Phosphonopropyl)piperazine-2-carboxylic acid,3TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)OP(=O)(CCCN1CCN([Si](C)(C)C(C)(C)C)C(C(=O)O)C1)O[Si](C)(C)C(C)(C)C | 3073.9 | Semi standard non polar | 33892256 |
| 4-(3-Phosphonopropyl)piperazine-2-carboxylic acid,3TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)OP(=O)(CCCN1CCN([Si](C)(C)C(C)(C)C)C(C(=O)O)C1)O[Si](C)(C)C(C)(C)C | 3010.4 | Standard non polar | 33892256 |
| 4-(3-Phosphonopropyl)piperazine-2-carboxylic acid,3TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)OP(=O)(CCCN1CCN([Si](C)(C)C(C)(C)C)C(C(=O)O)C1)O[Si](C)(C)C(C)(C)C | 3143.0 | Standard polar | 33892256 |
| 4-(3-Phosphonopropyl)piperazine-2-carboxylic acid,4TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)C1CN(CCCP(=O)(O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C)CCN1[Si](C)(C)C(C)(C)C | 3228.7 | Semi standard non polar | 33892256 |
| 4-(3-Phosphonopropyl)piperazine-2-carboxylic acid,4TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)C1CN(CCCP(=O)(O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C)CCN1[Si](C)(C)C(C)(C)C | 3147.6 | Standard non polar | 33892256 |
| 4-(3-Phosphonopropyl)piperazine-2-carboxylic acid,4TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)C1CN(CCCP(=O)(O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C)CCN1[Si](C)(C)C(C)(C)C | 2988.0 | Standard polar | 33892256 |