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VAQORACHEMICALS
Industry

Chemicals for Pharmaceuticals

APIs, intermediates, impurity standards, excipient-grade materials and analytical solvents for drug manufacturers and QC labs.

Products for Pharmaceuticals

Reference Standard
Bisbentiamine chemical structure
Bisbentiamine
CAS
2667-89-2
Formula
C38H42N8O6S2
MW
770.9 g/mol
VQ-028331
Reference Standard
Bismerthiazol chemical structure
Bismerthiazol
CAS
79319-85-0
Formula
C5H6N6S4
MW
278.4 g/mol
VQ-040597
AR
Bismuthiol I chemical structure
Bismuthiol I
CAS
1072-71-5
Formula
C2H2N2S3
MW
150.3 g/mol
VQ-012344
Bismuthiol-II chemical structure
Bismuthiol-II
CAS
6336-51-2
Formula
C8H5KN2S3
MW
264.4 g/mol
VQ-000322
Reference Standard
Bisoctrizole chemical structure
Bisoctrizole
CAS
103597-45-1
Formula
C41H50N6O2
MW
658.9 g/mol
VQ-021846
Reference Standard
Bisoprolol chemical structure
Bisoprolol
CAS
66722-44-9
Formula
C18H31NO4
MW
325.4 g/mol
In stock
Reference Standard
Bisoprolol Dimer chemical structure
Bisoprolol Dimer
CAS
2775292-22-1
Formula
C33H53NO8
MW
591.8 g/mol
VQ-029452

FAQs

Do you supply both APIs and the impurity standards needed to test them?

Yes. Many buyers source an API and its related impurity or working standards together, which simplifies qualification. Availability of specific standards is confirmed per molecule.

Can you provide DMF or CEP support for APIs?

Where the manufacturing site holds a DMF, CEP or similar filing, a letter of access or copy can usually be arranged. We confirm this per product before quoting.

Are your solvents suitable for pharmaceutical QC?

HPLC, LC-MS and GC headspace grades are available with specifications suited to pharmacopoeial methods, and each batch ships with a COA and GHS SDS.

Which Incoterms do you offer to pharmaceutical buyers?

We offer EXW, FOB, CFR, CIF and DAP. Temperature-sensitive or small-quantity items usually move by air, while bulk APIs and solvents often move by sea.

Need a price, a spec or a custom compound?

Send us your list — product names or CAS numbers, grade, quantity and destination. Our team replies with a formal quotation, COA and lead time.