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Impurities & Reference Standards

API Reference Standards

583 api reference standards with CAS numbers, structures and specifications — batch COA and GHS SDS supplied.

3,436products
377in stock
COA + SDSwith every lot
3,436 results · page 1 of 144
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Reference Standard
(-)-Benidipine chemical structure
(-)-Benidipine
CAS
119065-61-1
Formula
C28H31N3O6
MW
505.6 g/mol
VQ-035389
Reference Standard
(-)-Borneol chemical structure
(-)-Borneol
CAS
464-45-9
Formula
C10H18O
MW
154.25 g/mol
VQ-032708
Reference Standard
(-)-Cannabidiol chemical structure
(-)-Cannabidiol
CAS
13956-29-1
Formula
C21H30O2
MW
314.5 g/mol
VQ-043091
Reference Standard
(-)-Eburnamonine chemical structure
(-)-Eburnamonine
CAS
4880-88-0
Formula
C19H22N2O
MW
294.4 g/mol
VQ-045223
Reference Standard
(-)-Gallocatechin chemical structure
(-)-Gallocatechin
CAS
3371-27-5
Formula
C15H14O7
MW
306.27 g/mol
VQ-037480
Reference Standard
(-)-Globulol chemical structure
(-)-Globulol
CAS
489-41-8
Formula
C15H26O
MW
222.37 g/mol
VQ-040865
Reference Standard
(-)-Mesembranol chemical structure
(-)-Mesembranol
CAS
23544-42-5
Formula
C17H25NO3
MW
291.4 g/mol
VQ-038324
Reference Standard
(-)-Treprostinil chemical structure
(-)-Treprostinil
CAS
112421-28-0
Formula
C23H34O5
MW
390.5 g/mol
VQ-034419
Reference Standard
(+)-[6]-Gingerol chemical structure
(+)-[6]-Gingerol
CAS
23513-14-6
Formula
C17H26O4
MW
294.4 g/mol
VQ-030985
Reference Standard
(+)-Borneol chemical structure
(+)-Borneol
CAS
464-43-7
Formula
C10H18O
MW
154.25 g/mol
VQ-035999
Reference Standard
(+)-Cannabidiol chemical structure
(+)-Cannabidiol
CAS
74219-29-7
Formula
C21H30O2
MW
314.5 g/mol
VQ-029617
Reference Standard
(+)-Catechin chemical structure
(+)-Catechin
CAS
154-23-4
Formula
C15H14O6
MW
290.27 g/mol
VQ-032515
Reference Standard
(+)-Echimidine chemical structure
(+)-Echimidine
CAS
520-68-3
Formula
C20H31NO7
MW
397.5 g/mol
VQ-030352
Reference Standard
(+)-Longifolene chemical structure
(+)-Longifolene
CAS
475-20-7
Formula
C15H24
MW
204.35 g/mol
VQ-038902
Reference Standard
(+)-Lycopsamine chemical structure
(+)-Lycopsamine
CAS
10285-07-1
Formula
C15H25NO5
MW
299.36 g/mol
VQ-038223
Reference Standard
(+)-Menthone chemical structure
(+)-Menthone
CAS
3391-87-5
Formula
C10H18O
MW
154.25 g/mol
VQ-044601
Reference Standard
(+)-Metaraminol chemical structure
(+)-Metaraminol
CAS
61-59-6
Formula
C9H13NO2
MW
167.2 g/mol
VQ-044218
Reference Standard
(+)-MK 801 Maleate chemical structure
(+)-MK 801 Maleate
CAS
77086-22-7
Formula
C20H19NO4
MW
337.4 g/mol
VQ-036703
Reference Standard
(+)-Nalbuphine
(+)-Nalbuphine
CAS
1240373-02-7
Formula
C21H27NO4
MW
357.44 g/mol
VQ-026819
Reference Standard
(+)-Nebivolol chemical structure
(+)-Nebivolol
CAS
118457-15-1
Formula
C22H25F2NO4
MW
405.4 g/mol
VQ-026841
Reference Standard
(+)-Pulegone chemical structure
(+)-Pulegone
CAS
89-82-7
Formula
C10H16O
MW
152.23 g/mol
VQ-032415

About API Reference Standards

Vaqora Chemicals lists 583 api reference standards within our Impurities & Reference Standards range, including Digoxin, Doxepin, Estriol, Sotalol. Product pages give the CAS number (581 listed), molecular formula, molecular weight and structure wherever they are defined.

Common grades in this range include Reference Standard. Products are supplied mainly as solid, powder, packed to suit laboratory, pilot and production quantities. If you need a different pack, purity or specification, ask us for a custom quotation.

Typical users include pharmaceuticals, research & academia teams. Request a quotation for any product here — we confirm availability, lead time and the full document set, and ship globally on EXW, FOB, CIF or DAP terms.

Related categories

API ImpuritiesPharmacopeial Impurities (EP / USP / BP)Nitrosamine ImpuritiesStable Isotope Labelled Standards (Deuterated, 13C, 15N)Metabolites & Degradation Products

Frequently asked questions

How many api reference standards do you supply?

We currently list 583 api reference standards, such as Digoxin, Doxepin, Estriol. We can also source or custom-synthesise items that are not listed.

Do api reference standards come with a COA and SDS?

Yes. Each lot is supplied with a batch Certificate of Analysis and a 16-section GHS Safety Data Sheet. Typical COAs can be shared before you order.

Can you export api reference standards to my country?

Yes. We ship worldwide by sea freight, air cargo and express courier, with export documentation, and pack hazardous materials to IATA/IMDG dangerous-goods rules.

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.

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