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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
Donepezil-4-hydroxy chemical structure
Donepezil-4-hydroxy
CAS
197010-22-3
Formula
C24H29NO4
MW
395.5 g/mol
VQ-030277
Reference Standard
Donepezil-d4 chemical structure
Donepezil-d4
CAS
1219908-72-1
Formula
C24H29NO3
MW
383.5 g/mol
VQ-044067
Reference Standard
Donepezil-d5 chemical structure
Donepezil-d5
CAS
1128086-25-8
Formula
C24H29NO3
MW
384.5 g/mol
VQ-043403
Reference Standard
Dopamine chemical structure
Dopamine
CAS
51-61-6
Formula
C8H11NO2
MW
153.18 g/mol
VQ-022433
IP/BP/USP
Dopamine HCl chemical structure
Dopamine HCl
CAS
62-31-7
Formula
C8H12ClNO2
MW
189.64 g/mol
VQ-004089

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.