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

Phytanic Acid

CAS: 14721-66-5
Formula: C₂₀H₄₀O₂
MW: 312.5 g/mol

VQ-040966

Reference Standard

Phytonadione WS

CAS: 84-80-0
Formula: C₃₁H₄₆O₂
MW: 450.7 g/mol

In stock

Reference Standard

Pibrentasvir

CAS: 1353900-92-1
Formula: C₅₇H₆₅F₅N₁₀O₈
MW: 1113.2 g/mol

VQ-027475

Reference Standard

Picarbutrazox

CAS: 500207-04-5
Formula: C₂₀H₂₃N₇O₃
MW: 409.4 g/mol

VQ-041476

Reference Standard

Picaridin

CAS: 119515-38-7
Formula: C₁₂H₂₃NO₃
MW: 229.32 g/mol

VQ-027477

Reference Standard

Picloxydine

CAS: 5636-92-0
Formula: C₂₀H₂₄Cl₂N₁₀
MW: 475.4 g/mol

VQ-044492

Reference Standard

Picloxydine Dihydrochloride

CAS: 19803-62-4
Formula: C₂₀H₂₆Cl₄N₁₀
MW: 548.3 g/mol

VQ-033175

Reference Standard

Picrocrocin

CAS: 138-55-6
Formula: C₁₆H₂₆O₇
MW: 330.37 g/mol

VQ-040133

Reference Standard

Pidotimod WS

CAS: 121808-62-6
Formula: C₉H₁₂N₂O₄S
MW: 244.27 g/mol

In stock

Reference Standard

Pilocarpine Nitrate

CAS: 148-72-1
Formula: C₁₁H₁₇N₃O₅
MW: 271.27 g/mol

VQ-033185

Reference Standard

Pimagedine

CAS: 79-17-4
Formula: CH₆N₄
MW: 74.09 g/mol

VQ-048567

Reference Standard

Pimavanserin

CAS: 706779-91-1
Formula: C₂₅H₃₄FN₃O₂
MW: 427.6 g/mol

VQ-023490

Reference Standard

Pimavanserin tartrate

CAS: 706782-28-7
Formula: C₅₄H₇₄F₂N₆O₁₀
MW: 1005.2 g/mol

VQ-027488

Reference Standard

Pimecrolimus

CAS: 137071-32-0
Formula: C₄₃H₆₈ClNO₁₁
MW: 810.4 g/mol

VQ-027497

Reference Standard

Pimozide

CAS: 2062-78-4
Formula: C₂₈H₂₉F₂N₃O
MW: 461.5 g/mol

VQ-027500

Reference Standard

Pinaverium Bromide

CAS: 53251-94-8
Formula: C₂₆H₄₁Br₂NO₄
MW: 591.4 g/mol

VQ-027503

Reference Standard

Pindolol

CAS: 13523-86-9
Formula: C₁₄H₂₀N₂O₂
MW: 248.32 g/mol

VQ-027506

Reference Standard

Pinoxaden

CAS: 243973-20-8
Formula: C₂₃H₃₂N₂O₄
MW: 400.5 g/mol

VQ-033191

Reference Standard

Pioglitazone

CAS: 111025-46-8
Formula: C₁₉H₂₀N₂O₃S
MW: 356.4 g/mol

In stock

Reference Standard

Pioglitazone Hydrochloride

CAS: 112529-15-4
Formula: C₁₉H₂₁ClN₂O₃S
MW: 392.9 g/mol

In stock

Reference Standard

Pipamperone Dihydrochloride

CAS: 2448-68-2
Formula: C₂₁H₃₂Cl₂FN₃O₂
MW: 448.4 g/mol

VQ-027510

Reference Standard

Pipecuronium Bromide

CAS: 52212-02-9
Formula: C₃₅H₆₂Br₂N₄O₄
MW: 762.7 g/mol

VQ-033200

Reference Standard

Pipemidic Acid

CAS: 51940-44-4
Formula: C₁₄H₁₇N₅O₃
MW: 303.32 g/mol

VQ-041502

Reference Standard

Pipenzolate Bromide

CAS: 125-51-9
Formula: C₂₂H₂₈BrNO₃
MW: 434.4 g/mol

VQ-039257

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API Reference Standards

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