| Identification | Back Directory | [Name]
B-PABA | [CAS]
6929-40-4 | [Synonyms]
B-PABA
Biot-pab
N-(+)-Biotinyl-4-AMinobnzoic Acid
N-(+)-BIOTINYL-4-AMINOBENZOIC ACID
4-[5-(2-oxohexahydrothieno[3,4-d]imidazol-6-yl)pentanoylamino]benzoic acid
4-(5-((4S)-2-oxohexahydro-1H-thieno[3,4-d]iMidazol-4-yl)pentanaMido)benzoic acid
4-(5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamido)benzoic acid
Benzoic acid, 4-((5-(hexahydro-2-oxo-1H-thieno(3,4-D)imidazol-4-yl)-1-oxopentyl)amino)-, ion(1-)-
Benzoic acid, 4-[[5-[(3aS,4S,6aR)-hexahydro-2-oxo-1H-thieno[3,4-d]imidazol-4-yl]-1-oxopentyl]amino]- | [Molecular Formula]
C17H21N3O4S | [MDL Number]
MFCD00077915 | [MOL File]
6929-40-4.mol | [Molecular Weight]
363.43 |
| Chemical Properties | Back Directory | [Melting point ]
295-297 °C | [Boiling point ]
750.5±55.0 °C(Predicted) | [density ]
1.338±0.06 g/cm3(Predicted) | [storage temp. ]
2-8°C | [form ]
powder | [pka]
4.32±0.10(Predicted) | [color ]
white to light yellow | [optical activity]
[α]20/D +55±3°, c = 0.5% in 0.1 M NaOH | [BRN ]
50100 |
| Hazard Information | Back Directory | [Biological Activity]
Biotinyl-4-aminobenzoic acid (B-PABA) is used as a substrate in biotinidase assays. | [Purification Methods]
Dissolve the acid in NaHCO3 solution, cool and precipitate it by adding N HCl. Collect the solid, dry it at 100o and recrystallise it from MeOH. Note that it is hydrolysed by aqueous 3M, 1M and 0.2M HCl at 120o |
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