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

Selumetinib

CAS: 606143-52-6
Formula: C₁₇H₁₅BrClFN₄O₃
MW: 457.7 g/mol

VQ-007748

Reference Standard

Semaglutide

CAS: 910463-68-2
Formula: C₁₈₇H₂₉₁N₄₅O₅₉
MW: 4114 g/mol

In stock

Reference Standard

Semduramicin

CAS: 113378-31-7
Formula: C₄₅H₇₆O₁₆
MW: 873.1 g/mol

VQ-034897

Reference Standard

Semduramicin sodium

CAS: 119068-77-8
Formula: C₄₅H₇₅NaO₁₆
MW: 895.1 g/mol

VQ-033807

Reference Standard

Semicarbazide

CAS: 57-56-7
Formula: CH₅N₃O
MW: 75.07 g/mol

VQ-040780

Reference Standard

Senecionine

CAS: 130-01-8
Formula: C₁₈H₂₅NO₅
MW: 335.4 g/mol

VQ-033808

Reference Standard

Seneciphylline

CAS: 480-81-9
Formula: C₁₈H₂₃NO₅
MW: 333.4 g/mol

VQ-033810

Reference Standard

Senecivernine

CAS: 72755-25-0
Formula: C₁₈H₂₅NO₅
MW: 335.4 g/mol

VQ-033812

Reference Standard

Senkirkine

CAS: 2318-18-5
Formula: C₁₉H₂₇NO₆
MW: 365.4 g/mol

VQ-042139

Reference Standard

Sennoside

CAS: 517-43-1
Formula: C₄₂H₃₈O₂₀
MW: 862.7 g/mol

VQ-033814

Reference Standard

Sennoside A

CAS: 81-27-6
Formula: C₄₂H₃₈O₂₀
MW: 862.7 g/mol

VQ-033815

Reference Standard

Serotonin

CAS: 50-67-9
Formula: C₁₀H₁₂N₂O
MW: 176.21 g/mol

VQ-007750

Reference Standard

Serotonin Hydrochloride

CAS: 153-98-0
Formula: C₁₀H₁₃ClN₂O
MW: 212.67 g/mol

In stock

Reference Standard

Sertaconazole

CAS: 99592-32-2
Formula: C₂₀H₁₅Cl₃N₂OS
MW: 437.8 g/mol

VQ-042140

Reference Standard

Sertaconazole Nitrate

CAS: 99592-39-9
Formula: C₂₀H₁₆Cl₃N₃O₄S
MW: 500.8 g/mol

VQ-028003

Reference Standard

Sertindole

CAS: 106516-24-9
Formula: C₂₄H₂₆ClFN₄O
MW: 440.9 g/mol

VQ-042141

Reference Standard

Sertraline

CAS: 79617-96-2
Formula: C₁₇H₁₇Cl₂N
MW: 306.2 g/mol

In stock

Reference Standard

Setmelanotide

CAS: 920014-72-8
Formula: C₄₉H₆₈N₁₈O₉S₂
MW: 1117.3 g/mol

VQ-033832

Reference Standard

Sevelamer Hydrochloride

CAS: 152751-57-0
Formula: (C₃H₇N)m(C₃H₅ClO)n(HCl)x
MW: 186.08 g/mol

VQ-033833

Reference Standard

Sevoflurane

CAS: 28523-86-6
Formula: C₄H₃F₇O
MW: 200.05 g/mol

VQ-028013

Reference Standard

Sibutramine

CAS: 106650-56-0
Formula: C₁₇H₂₆ClN
MW: 279.8 g/mol

VQ-042153

Reference Standard

Sibutramine Hydrochloride

CAS: 84485-00-7
Formula: C₁₇H₂₇Cl₂N
MW: 316.3 g/mol

VQ-042155

Reference Standard

Sibutramine Hydrochloride Monohydrate

CAS: 125494-59-9
Formula: C₁₇H₂₉Cl₂NO
MW: 334.3 g/mol

VQ-043292

Reference Standard

Sildenafil

CAS: 139755-83-2
Formula: C₂₂H₃₀N₆O₄S
MW: 474.6 g/mol

VQ-007753

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API Reference Standards

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