B-PABA

Base Information

Chemical Name:B-PABA
CAS No.:6929-40-4
Molecular Formula:C17H21 N3 O4 S
Molecular Weight:363.437
Hs Code.:
Mol file:6929-40-4.mol

Synonyms:Benzoicacid, 4-[[5-(hexahydro-2-oxo-1H-thieno[3,4-d]imidazol-4-yl)-1-oxopentyl]amino]-,[3aS-(3aa,4b,6aa)]-;Benzoic acid,p-(hexahydro-2-oxo-1H-thieno[3,4-d]imidazole-4-valeramido)-, cis-(+)- (8CI);Benzoic acid, p-[5-(tetrahydro-2-oxothieno[3,4-d]imidazolin-4-yl)valeramido]-(7CI);1H-Thieno[3,4-d]imidazole, benzoic acid deriv.;

Suppliers and Price of B-PABA

Supply Marketing:

Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

Manufacturers and distributors:

Manufacture/Brand
Chemicals and raw materials
Packaging
price

Sigma-Aldrich
N-(+)-Biotinyl-4-aminobenzoic acid ≥98.0% (HPLC)
50mg
$ 375.00

Sigma-Aldrich
N-(+)-Biotinyl-4-aminobenzoic acid ≥98.0% (HPLC)
10mg
$ 103.00

Iris Biotech GmbH
Biotin-PABA
250 mg
$ 540.00

American Custom Chemicals Corporation
N-(+)-BIOTINYL-4-AMINOBENZOIC ACID 95.00%
50MG
$ 822.85

American Custom Chemicals Corporation
N-(+)-BIOTINYL-4-AMINOBENZOIC ACID 95.00%
10MG
$ 626.15

Total 6 raw suppliers

Chemical Property of B-PABA

Chemical Property:

Vapor Pressure:1.16E-23mmHg at 25°C
Melting Point:295-297 °C
Refractive Index:1.62
Boiling Point:750.5°C at 760 mmHg
PKA:4.32±0.10(Predicted)
Flash Point:407.7°C
PSA：132.83000
Density:1.338g/cm³
LogP:2.77970
Storage Temp.:2-8°C

Purity/Quality:

98% ^*data from raw suppliers

N-(+)-Biotinyl-4-aminobenzoic acid ≥98.0% (HPLC) ^*data from reagent suppliers

Safty Information:

Pictogram(s):
Hazard Codes:
Safety Statements: 22-24/25

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

Technology Process of B-PABA

There total 4 articles about B-PABA which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 75.0%

: 150-13-0,159246-81-8,8014-65-1
4-amino-benzoic acid

: 35013-72-0
biotin N-Hydroxysuccinimide ester

: 6929-40-4,3672-04-6
4-[5-(2-oxohexahydrothieno[3,4-d]imidazol-6-yl)pentanoylamino]benzoic acid

Guidance literature:: With sodium hydrogencarbonate; In N,N-dimethyl-formamide; for 4h;

Reference yield: 74.0%

: 150-13-0,159246-81-8,8014-65-1
4-amino-benzoic acid

: 58-85-5,22879-79-4
biotin

: 6929-40-4,3672-04-6
4-[5-(2-oxohexahydrothieno[3,4-d]imidazol-6-yl)pentanoylamino]benzoic acid

Guidance literature:: biotin; With tributyl-amine; isobutyl chloroformate; In N,N-dimethyl-formamide; at 20 ℃; for 0.166667h;

4-amino-benzoic acid; In N,N-dimethyl-formamide; at 5 ℃; for 2h;
DOI:10.1021/ja0476718