| Company Name: |
Suzhou Highfine Biotech Co., Ltd Gold
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| Tel: |
0512-68417696 13962195629 |
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qirl@highfine.com |
| Products Intro: |
Product Name:4-(5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamido)benzoic acid
CAS:6929-40-4
Purity:＞98% Package:50g；100g；500g；1kg；10kg；25kg
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| Company Name: |
Syntechem Co.,Ltd
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| Tel: |
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| Email: |
info@syntechem.com |
| Products Intro: |
Product Name:4-(5-((4S)-2-oxohexahydro-1H-thieno[3,4-d]iMidazol-4-yl)pentanaMido)benzoic acid
CAS:6929-40-4
Purity:97% Package:1g;5g;25g;100g;250g;1kg;5kg;10kg;25kg Remarks:we offer low price custom synthesis and contract manufacturing
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| Company Name: |
Hangzhou Sage Chemical Co., Ltd.
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| Tel: |
+86057186818502 13588463833 |
| Email: |
info@sagechem.com |
| Products Intro: |
Product Name:N-(+)-Biotinyl-4-aMinobenzoic acid
CAS:6929-40-4
Purity:98% Package:1g;5g;100g;Bulk
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| Product Name: | B-PABA | | Synonyms: | B-PABA;N-(+)-BIOTINYL-4-AMINOBENZOIC ACID;Benzoic acid, 4-((5-(hexahydro-2-oxo-1H-thieno(3,4-D)imidazol-4-yl)-1-oxopentyl)amino)-, ion(1-)-;Biot-pab;N-(+)-Biotinyl-4-AMinobnzoic Acid;4-(5-((4S)-2-oxohexahydro-1H-thieno[3,4-d]iMidazol-4-yl)pentanaMido)benzoic acid;Benzoic acid, 4-[[5-[(3aS,4S,6aR)-hexahydro-2-oxo-1H-thieno[3,4-d]imidazol-4-yl]-1-oxopentyl]amino]-;4-[5-(2-oxohexahydrothieno[3,4-d]imidazol-6-yl)pentanoylamino]benzoic acid | | CAS: | 6929-40-4 | | MF: | C17H21N3O4S | | MW: | 363.43 | | EINECS: | | | Product Categories: | | | Mol File: | 6929-40-4.mol |  |
| | B-PABA Chemical Properties |
| 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 | | pka | 4.32±0.10(Predicted) | | optical activity | [α]20/D +55±3°, c = 0.5% in 0.1 M NaOH | | BRN | 50100 |
| | B-PABA Usage And Synthesis |
| 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 |
| | B-PABA Preparation Products And Raw materials |
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