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

Candoxatril

CAS: 123122-55-4
Formula: C₂₉H₄₁NO₇
MW: 515.6 g/mol

VQ-036117

Reference Standard

Cangrelor

CAS: 163706-06-7
Formula: C₁₇H₂₅Cl₂F₃N₅O₁₂P₃S₂
MW: 776.4 g/mol

VQ-034801

Reference Standard

Cannabigerol

CAS: 25654-31-3
Formula: C₂₁H₃₂O₂
MW: 316.5 g/mol

VQ-032649

Reference Standard

Canrenoic Acid

CAS: 4138-96-9
Formula: C₂₂H₃₀O₄
MW: 358.5 g/mol

VQ-042265

Reference Standard

Cantharidin

CAS: 56-25-7
Formula: C₁₀H₁₂O₄
MW: 196.2 g/mol

VQ-036127

Reference Standard

Capecitabine WS

CAS: 154361-50-9
Formula: C₁₅H₂₂FN₃O₆
MW: 359.35 g/mol

In stock

Reference Standard

Capivasertib

CAS: 1143532-39-1
Formula: C₂₁H₂₅ClN₆O₂
MW: 428.9 g/mol

In stock

Reference Standard

Capmatinib

CAS: 1029712-80-8
Formula: C₂₃H₁₇FN₆O
MW: 412.4 g/mol

VQ-021981

Reference Standard

Capreomycin Sulfate

CAS: 1405-37-4
Formula: C₅₀H₉₂N₂₈O₂₃S₂
MW: 1517.6 g/mol

VQ-036132

Reference Standard

Carazolol

CAS: 57775-29-8
Formula: C₁₈H₂₂N₂O₂
MW: 298.4 g/mol

VQ-036137

Reference Standard

Carbamazepine

CAS: 298-46-4
Formula: C₁₅H₁₂N₂O
MW: 236.27 g/mol

In stock

Reference Standard

Carbamazepine Hydrochloride

CAS: 70972-24-6
Formula: C₁₅H₁₃ClN₂O
MW: 272.73 g/mol

VQ-007372

Reference Standard

Carbamic acid

CAS: 463-77-4
Formula: CH₃NO₂
MW: 61.04 g/mol

VQ-040610

Reference Standard

Carbaryl

CAS: 63-25-2
Formula: C₁₂H₁₁NO₂
MW: 201.22 g/mol

VQ-029631

Reference Standard

Carbazeran

CAS: 70724-25-3
Formula: C₁₈H₂₄N₄O₄
MW: 360.4 g/mol

VQ-047684

Reference Standard

Carbazochrome

CAS: 69-81-8
Formula: C₁₀H₁₂N₄O₃
MW: 236.23 g/mol

VQ-024764

Reference Standard

Carbenoxolone

CAS: 5697-56-3
Formula: C₃₄H₅₀O₇
MW: 570.8 g/mol

VQ-040616

Reference Standard

Carbetocin

CAS: 37025-55-1
Formula: C₄₅H₆₉N₁₁O₁₂S
MW: 988.2 g/mol

VQ-024766

Reference Standard

Carbidopa Monohydrate

CAS: 38821-49-7
Formula: C₁₀H₁₆N₂O₅
MW: 244.24 g/mol

VQ-007373

Reference Standard

Carbidopa WS

CAS: 28860-95-9
Formula: C₁₀H₁₄N₂O₄
MW: 226.23 g/mol

In stock

Reference Standard

Carbimazole

CAS: 22232-54-8
Formula: C₇H₁₀N₂O₂S
MW: 186.23 g/mol

VQ-022005

Reference Standard

Carbinoxamine Maleate

CAS: 3505-38-2
Formula: C₂₀H₂₃ClN₂O₅
MW: 406.9 g/mol

VQ-029642

Reference Standard

Carbocisteine

CAS: 638-23-3
Formula: C₅H₉NO₄S
MW: 179.2 g/mol

VQ-022007

Reference Standard

Carbofuran

CAS: 1563-66-2
Formula: C₁₂H₁₅NO₃
MW: 221.25 g/mol

VQ-039517

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API Reference Standards

Need a price, a spec or a custom compound?