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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
Tofacitinib N-Oxide chemical structure
Tofacitinib N-Oxide
CAS
2028267-73-2
Formula
C16H20N6O2
MW
328.37 g/mol
VQ-028415
Reference Standard
Tofisopam chemical structure
Tofisopam
CAS
22345-47-7
Formula
C22H26N2O4
MW
382.5 g/mol
VQ-034313
Reference Standard
Tofogliflozin chemical structure
Tofogliflozin
CAS
903565-83-3
Formula
C22H26O6
MW
386.4 g/mol
VQ-040617
IP/BP/USP
Tolbutamide chemical structure
Tolbutamide
CAS
64-77-7
Formula
C12H18N2O3S
MW
270.35 g/mol
VQ-004153
Reference Standard
Tolcapone chemical structure
Tolcapone
CAS
134308-13-7
Formula
C14H11NO5
MW
273.24 g/mol
VQ-028431
Reference Standard
Toldimfos sodium chemical structure
Toldimfos sodium
CAS
575-75-7
Formula
C9H12NNaO2P+
MW
220.16 g/mol
VQ-042592
Reference Standard
Tolfenamic Acid chemical structure
Tolfenamic Acid
CAS
13710-19-5
Formula
C14H12ClNO2
MW
261.7 g/mol
VQ-028434
Reference Standard
Tolmetin chemical structure
Tolmetin
CAS
26171-23-3
Formula
C15H15NO3
MW
257.28 g/mol
In stock
Reference Standard
Tolnaftate chemical structure
Tolnaftate
CAS
2398-96-1
Formula
C19H17NOS
MW
307.4 g/mol
VQ-028435
Reference Standard
Tolperisone chemical structure
Tolperisone
CAS
728-88-1
Formula
C16H23NO
MW
245.36 g/mol
VQ-034325

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.