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

Cosyntropin

CAS: 16960-16-0
Formula: C₁₃₆H₂₁₀N₄₀O₃₁S
MW: 2933.4 g/mol

VQ-028310

Reference Standard

Cotrimoxazole

CAS: 8064-90-2
Formula: C₂₄H₂₉N₇O₆S
MW: 543.6 g/mol

VQ-047871

Reference Standard

Coumachlor

CAS: 81-82-3
Formula: C₁₉H₁₅ClO₄
MW: 342.8 g/mol

VQ-047872

Reference Standard

Coumatetralyl

CAS: 5836-29-3
Formula: C₁₉H₁₆O₃
MW: 292.3 g/mol

VQ-029931

Reference Standard

Coumestrol

CAS: 479-13-0
Formula: C₁₅H₈O₅
MW: 268.22 g/mol

VQ-047873

Reference Standard

Creatine

CAS: 57-00-1
Formula: C₄H₉N₃O₂
MW: 131.13 g/mol

VQ-032819

Reference Standard

Creatinine Phosphate disodium

CAS: 19604-05-8
Formula: C₄H₆N₃Na₂O₄P
MW: 237.06 g/mol

VQ-039966

Reference Standard

Crinecerfont

CAS: 752253-39-7
Formula: C₂₇H₂₈ClFN₂OS
MW: 483 g/mol

VQ-029932

Reference Standard

Crisaborole

CAS: 906673-24-3
Formula: C₁₄H₁₀BNO₃
MW: 251.05 g/mol

VQ-029933

Reference Standard

Crizotinib

CAS: 877399-52-5
Formula: C₂₁H₂₂Cl₂FN₅O
MW: 450.3 g/mol

In stock

Reference Standard

Crocin

CAS: 42553-65-1
Formula: C₄₄H₆₄O₂₄
MW: 977 g/mol

VQ-039205

Reference Standard

Cromoglicic acid

CAS: 16110-51-3
Formula: C₂₃H₁₆O₁₁
MW: 468.4 g/mol

VQ-042210

Reference Standard

Crotamiton

CAS: 483-63-6
Formula: C₁₃H₁₇NO
MW: 203.28 g/mol

VQ-025095

Reference Standard

Cuminaldehyde

CAS: 122-03-2
Formula: C₁₀H₁₂O
MW: 148.2 g/mol

VQ-040941

Reference Standard

Curcumin sulfate

CAS: 339286-19-0
Formula: C₂₁H₂₀O₉S
MW: 448.4 g/mol

VQ-036451

Reference Standard

Cyamemazine

CAS: 3546-03-0
Formula: C₁₉H₂₁N₃S
MW: 323.5 g/mol

VQ-036455

Reference Standard

Cyanidin Chloride

CAS: 528-58-5
Formula: C₁₅H₁₁ClO₆
MW: 322.69 g/mol

VQ-029945

Reference Standard

Cyanidin-3,5-Di-O-Glucoside

CAS: 2611-67-8
Formula: C₂₇H₃₀O₁₆
MW: 610.5 g/mol

VQ-040450

Reference Standard

Cyantraniliprole

CAS: 736994-63-1
Formula: C₁₉H₁₄BrClN₆O₂
MW: 473.7 g/mol

VQ-029948

Reference Standard

Cyclamic Acid

CAS: 100-88-9
Formula: C₆H₁₃NO₃S
MW: 179.24 g/mol

VQ-007397

Reference Standard

Cyclizine

CAS: 82-92-8
Formula: C₁₈H₂₂N₂
MW: 266.4 g/mol

VQ-032554

Reference Standard

Cyclizine Hydrochloride

CAS: 303-25-3
Formula: C₁₈H₂₃ClN₂
MW: 302.8 g/mol

VQ-034818

Reference Standard

Cyclobenzaprine

CAS: 303-53-7
Formula: C₂₀H₂₁N
MW: 275.4 g/mol

VQ-028809

Reference Standard

Cycloguanil Hydrochloride

CAS: 152-53-4
Formula: C₁₁H₁₅Cl₂N₅
MW: 288.17 g/mol

VQ-047884

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API Reference Standards

Need a price, a spec or a custom compound?