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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
Bosentan Impurity 1 chemical structure
Bosentan Impurity 1
CAS
1177447-87-8
Formula
C21H23ClN4O4
MW
430.9 g/mol
In stock
Reference Standard
Bosentan-d4 chemical structure
Bosentan-d4
CAS
1065472-77-6
Formula
C27H29N5O6S
MW
555.6 g/mol
VQ-029482
Reference Standard
Bosutinib Impurity-V chemical structure
Bosutinib Impurity-V
CAS
2095306-26-4
Formula
C46H44Cl4N8O6
MW
946.7 g/mol
VQ-024628
Reference Standard
Bosutinib Isomer chemical structure
Bosutinib Isomer
CAS
1391063-17-4
Formula
C26H29Cl2N5O3
MW
530.4 g/mol
VQ-020978
Reference Standard
Bosutinib N-Oxide chemical structure
Bosutinib N-Oxide
CAS
2468737-96-2
Formula
C26H29Cl2N5O4
MW
546.4 g/mol
In stock
Reference Standard
Bosutinib WS chemical structure
Bosutinib WS
CAS
380843-75-4
Formula
C26H29Cl2N5O3
MW
530.4 g/mol
In stock
Reference Standard
Bosutinib-d8 chemical structure
Bosutinib-d8
CAS
2733145-45-2
Formula
C26H29Cl2N5O3
MW
538.5 g/mol
VQ-029491
Bradykinin chemical structure
Bradykinin
CAS
58-82-2
Formula
C50H73N15O11
MW
1060.2 g/mol
VQ-051239

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.