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

Piperacillin

CAS: 61477-96-1
Formula: C₂₃H₂₇N₅O₇S
MW: 517.6 g/mol

VQ-041507

Reference Standard

Piperacillin monohydrate

CAS: 66258-76-2
Formula: C₂₃H₂₉N₅O₈S
MW: 535.6 g/mol

VQ-033203

Reference Standard

Piperacillin Sodium Salt

CAS: 59703-84-3
Formula: C₂₃H₂₆N₅NaO₇S
MW: 539.5 g/mol

VQ-041503

Reference Standard

Piperaquine

CAS: 4085-31-8
Formula: C₂₉H₃₂Cl₂N₆
MW: 535.5 g/mol

VQ-041510

Reference Standard

Piperaquine Phosphate

CAS: 85547-56-4
Formula: C₂₉H₃₅Cl₂N₆O₄P
MW: 633.5 g/mol

VQ-041509

Reference Standard

Piperazine citrate

CAS: 144-29-6
Formula: C₂₄H₄₆N₆O₁₄
MW: 642.7 g/mol

VQ-041512

Reference Standard

Piperyline

CAS: 25924-78-1
Formula: C₁₆H₁₇NO₃
MW: 271.31 g/mol

VQ-040168

Reference Standard

Pirarubicin

CAS: 72496-41-4
Formula: C₃₂H₃₇NO₁₂
MW: 627.6 g/mol

VQ-043623

Reference Standard

Pirbuterol

CAS: 38677-81-5
Formula: C₁₂H₂₀N₂O₃
MW: 240.3 g/mol

VQ-041518

Reference Standard

Pirenzepine DiHydrochloride Monohydrate

CAS: 2242504-48-7
Formula: C₁₉H₂₅Cl₂N₅O₃
MW: 442.3 g/mol

VQ-044755

Reference Standard

Piretanide

CAS: 55837-27-9
Formula: C₁₇H₁₈N₂O₅S
MW: 362.4 g/mol

VQ-034885

Reference Standard

Pirfenidone

CAS: 53179-13-8
Formula: C₁₂H₁₁NO
MW: 185.22 g/mol

VQ-027445

Reference Standard

Piribedil

CAS: 3605-01-4
Formula: C₁₆H₁₈N₄O₂
MW: 298.34 g/mol

VQ-033212

Reference Standard

Pirlimycin

CAS: 79548-73-5
Formula: C₁₇H₃₁ClN₂O₅S
MW: 411 g/mol

VQ-033218

Reference Standard

Pirlimycin Hydrochloride

CAS: 78822-40-9
Formula: C₁₇H₃₂Cl₂N₂O₅S
MW: 447.4 g/mol

VQ-041522

Reference Standard

Piroctone Olamine

CAS: 68890-66-4
Formula: C₁₆H₃₀N₂O₃
MW: 298.42 g/mol

VQ-033219

Reference Standard

Pirtobrutinib

CAS: 2101700-15-4
Formula: C₂₂H₂₁F₄N₅O₃
MW: 479.4 g/mol

VQ-033221

Reference Standard

Pitavastatin

CAS: 147511-69-1
Formula: C₂₅H₂₄FNO₄
MW: 421.5 g/mol

VQ-041528

Reference Standard

Pitavastatin Calcium

CAS: 147526-32-7
Formula: C₅₀H₄₆CaF₂N₂O₈
MW: 881 g/mol

VQ-027525

Reference Standard

Pitavastatin calcium hydrate

CAS: 1852536-33-4
Formula: C₅₀H₅₆CaF₂N₂O₁₃
MW: 971.1 g/mol

VQ-033229

Reference Standard

Pitofenone

CAS: 54063-52-4
Formula: C₂₂H₂₅NO₄
MW: 367.4 g/mol

VQ-027545

Reference Standard

Pitofenone Hydrochloride

CAS: 1248-42-6
Formula: C₂₂H₂₆ClNO₄
MW: 403.9 g/mol

VQ-033235

Reference Standard

Pitolisant

CAS: 362665-56-3
Formula: C₁₇H₂₆ClNO
MW: 295.8 g/mol

VQ-007658

Reference Standard

Pitolisant Hydrochloride

CAS: 903576-44-3
Formula: C₁₇H₂₇Cl₂NO
MW: 332.3 g/mol

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API Reference Standards

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