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.

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

Reference Standard

Mycophenolate Mofetil

CAS: 128794-94-5
Formula: C₂₃H₃₁NO₇
MW: 433.5 g/mol

VQ-023184

Reference Standard

Myristicin

CAS: 607-91-0
Formula: C₁₁H₁₂O₃
MW: 192.21 g/mol

VQ-040933

Reference Standard

Myrtecaine

CAS: 7712-50-7
Formula: C₁₇H₃₁NO
MW: 265.4 g/mol

VQ-038529

Reference Standard

N-Acetyl-L-Carnosine

CAS: 56353-15-2
Formula: C₁₁H₁₆N₄O₄
MW: 268.27 g/mol

VQ-029009

Reference Standard

N-Glycylproline

CAS: 704-15-4
Formula: C₇H₁₂N₂O₃
MW: 172.18 g/mol

VQ-042557

Reference Standard

Nabilone

CAS: 51022-71-0
Formula: C₂₄H₃₆O₃
MW: 372.5 g/mol

VQ-032040

Reference Standard

Nabumetone

CAS: 42924-53-8
Formula: C₁₅H₁₆O₂
MW: 228.29 g/mol

VQ-023187

Reference Standard

Nadolol

CAS: 42200-33-9
Formula: C₁₇H₂₇NO₄
MW: 309.4 g/mol

VQ-023195

Reference Standard

Nafamostat Mesylate

CAS: 82956-11-4
Formula: C₂₁H₂₅N₅O₈S₂
MW: 539.6 g/mol

VQ-038538

Reference Standard

Nafcillin Sodium Salt

CAS: 985-16-0
Formula: C₂₁H₂₁N₂NaO₅S
MW: 436.5 g/mol

VQ-038540

Reference Standard

Naftazone

CAS: 15687-37-3
Formula: C₁₁H₉N₃O₂
MW: 215.21 g/mol

VQ-039891

Reference Standard

Naftidrofuryl

CAS: 31329-57-4
Formula: C₂₄H₃₃NO₃
MW: 383.5 g/mol

VQ-007595

Reference Standard

Naftidrofuryl Oxalate

CAS: 3200-06-4
Formula: C₂₆H₃₅NO₇
MW: 473.6 g/mol

In stock

Reference Standard

Naftifine Hydrochloride

CAS: 65473-14-5
Formula: C₂₁H₂₂ClN
MW: 323.9 g/mol

VQ-032054

Reference Standard

Naftopidil

CAS: 57149-07-2
Formula: C₂₄H₂₈N₂O₃
MW: 392.5 g/mol

VQ-032056

Reference Standard

Nalbuphine

CAS: 20594-83-6
Formula: C₂₁H₂₇NO₄
MW: 357.4 g/mol

VQ-044029

Reference Standard

Nalbuphine Hydrochloride

CAS: 23277-43-2
Formula: C₂₁H₂₈ClNO₄
MW: 393.9 g/mol

VQ-043234

Reference Standard

Nalmefene

CAS: 55096-26-9
Formula: C₂₁H₂₅NO₃
MW: 339.4 g/mol

VQ-038547

Reference Standard

Naloxegol

CAS: 854601-70-0
Formula: C₃₄H₅₃NO₁₁
MW: 651.8 g/mol

VQ-043235

Reference Standard

Naloxegol Oxalate

CAS: 1354744-91-4
Formula: C₃₆H₅₅NO₁₅
MW: 741.8 g/mol

VQ-038548

Reference Standard

Naloxone

CAS: 465-65-6
Formula: C₁₉H₂₁NO₄
MW: 327.4 g/mol

In stock

Reference Standard

Naloxone Hydrochloride

CAS: 357-08-4
Formula: C₁₉H₂₂ClNO₄
MW: 363.8 g/mol

In stock

Reference Standard

Naltrexone

CAS: 16590-41-3
Formula: C₂₀H₂₃NO₄
MW: 341.4 g/mol

In stock

Reference Standard

Naltrexone Hydrochloride

CAS: 16676-29-2
Formula: C₂₀H₂₄ClNO₄
MW: 377.9 g/mol

In stock

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.

Request a quote Contact sales

Laboratory Chemicals & Reagents View all

Solvents View all

Life Science & Biochemicals View all

APIs & Bulk Drugs View all

Impurities & Reference Standards View all

Pharma Intermediates & Building Blocks View all

Inorganic Chemicals, Metals & Advanced Materials View all

Industrial & Specialty Chemicals View all

API Reference Standards

Need a price, a spec or a custom compound?