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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
Cetirizine N-Oxide chemical structure
Cetirizine N-Oxide
CAS
1076199-80-8
Formula
C21H25ClN2O4
MW
404.9 g/mol
VQ-007114
Reference Standard
Cetirizine S-Isomer chemical structure
Cetirizine S-Isomer
CAS
130018-89-2
Formula
C21H26Cl2N2O3
MW
425.3 g/mol
VQ-031521
Reference Standard
Cetirizine-d4 chemical structure
Cetirizine-d4
CAS
1219803-84-5
Formula
C21H25ClN2O3
MW
392.9 g/mol
VQ-047734
Reference Standard
Cetrizine chemical structure
Cetrizine
CAS
83881-51-0
Formula
C21H25ClN2O3
MW
388.9 g/mol
VQ-013290
Reference Standard
Cetrorelix chemical structure
Cetrorelix
CAS
120287-85-6
Formula
C70H92ClN17O14
MW
1431 g/mol
VQ-029735
Reference Standard
Cetrorelix Acetate chemical structure
Cetrorelix Acetate
CAS
145672-81-7
Formula
C72H96ClN17O16
MW
1491.1 g/mol
VQ-036227
Reference Standard
Cetrorelix Acetate chemical structure
Cetrorelix Acetate
CAS
1631741-31-5
Formula
C72H96ClN17O16
MW
1491.1 g/mol
VQ-036228

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.