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

Clindamycin Palmitate Hydrochloride

CAS: 25507-04-4
Formula: C₃₄H₆₄Cl₂N₂O₆S
MW: 699.9 g/mol

VQ-036372

Reference Standard

Clioquinol

CAS: 130-26-7
Formula: C₉H₅ClINO
MW: 305.5 g/mol

VQ-025026

Reference Standard

Clobetasol Propionate

CAS: 25122-46-7
Formula: C₂₅H₃₂ClFO₅
MW: 467 g/mol

VQ-022220

Reference Standard

Clobutinol HCl

CAS: 1215-83-4
Formula: C₁₄H₂₃Cl₂NO
MW: 292.2 g/mol

VQ-043862

Reference Standard

Clocortolone Pivalate

CAS: 34097-16-0
Formula: C₂₇H₃₆ClFO₅
MW: 495 g/mol

VQ-047828

Reference Standard

Clodronic Acid

CAS: 10596-23-3
Formula: CH₄Cl₂O₆P₂
MW: 244.89 g/mol

VQ-036158

Reference Standard

Clofarabine

CAS: 123318-82-1
Formula: C₁₀H₁₁ClFN₅O₃
MW: 303.68 g/mol

VQ-022228

Reference Standard

Clofazimine

CAS: 2030-63-9
Formula: C₂₇H₂₂Cl₂N₄
MW: 473.4 g/mol

VQ-025037

Reference Standard

Clofibrate

CAS: 637-07-0
Formula: C₁₂H₁₅ClO₃
MW: 242.7 g/mol

VQ-036386

Reference Standard

Clomiphene

CAS: 911-45-5
Formula: C₂₆H₂₈ClNO
MW: 406 g/mol

VQ-036390

Reference Standard

Clomiphene Citrate

CAS: 50-41-9
Formula: C₃₂H₃₆ClNO₈
MW: 598.1 g/mol

VQ-036387

Reference Standard

Clomipramine

CAS: 303-49-1
Formula: C₁₉H₂₃ClN₂
MW: 314.9 g/mol

VQ-036393

Reference Standard

Clomipramine Hydrochloride

CAS: 17321-77-6
Formula: C₁₉H₂₄Cl₂N₂
MW: 351.3 g/mol

VQ-025048

Reference Standard

Clonidine

CAS: 4205-90-7
Formula: C₉H₉Cl₂N₃
MW: 230.09 g/mol

VQ-029662

Reference Standard

Clonidine Hydrochloride

CAS: 4205-91-8
Formula: C₉H₁₀Cl₃N₃
MW: 266.6 g/mol

VQ-029872

Reference Standard

Clonitrate

CAS: 2612-33-1
Formula: C₃H₅ClN₂O₆
MW: 200.53 g/mol

VQ-047841

Reference Standard

Clonixin

CAS: 17737-65-4
Formula: C₁₃H₁₁ClN₂O₂
MW: 262.69 g/mol

VQ-024920

Reference Standard

Clopamide

CAS: 636-54-4
Formula: C₁₄H₂₀ClN₃O₃S
MW: 345.8 g/mol

VQ-036405

Reference Standard

Cloperastine Hydrochloride

CAS: 14984-68-0
Formula: C₂₀H₂₅Cl₂NO
MW: 366.3 g/mol

VQ-029876

Reference Standard

Clopidogrel hydrogen sulfate

CAS: 135046-48-9
Formula: C₁₆H₁₈ClNO₆S₂
MW: 419.9 g/mol

VQ-029887

Reference Standard

Clopidol

CAS: 2971-90-6
Formula: C₇H₇Cl₂NO
MW: 192.04 g/mol

VQ-040908

Reference Standard

Cloprostenol

CAS: 40665-92-7
Formula: C₂₂H₂₉ClO₆
MW: 424.9 g/mol

VQ-047855

Reference Standard

Cloquintocet

CAS: 88349-88-6
Formula: C₁₁H₈ClNO₃
MW: 237.64 g/mol

VQ-040673

Reference Standard

Clorsulon

CAS: 60200-06-8
Formula: C₈H₈Cl₃N₃O₄S₂
MW: 380.7 g/mol

VQ-029904

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API Reference Standards

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