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

Prucalopride

CAS: 179474-81-8
Formula: C₁₈H₂₆ClN₃O₃
MW: 367.9 g/mol

In stock

Reference Standard

Prucalopride Succinate

CAS: 179474-85-2
Formula: C₂₂H₃₂ClN₃O₇
MW: 486 g/mol

In stock

Reference Standard

Prulifloxacin

CAS: 123447-62-1
Formula: C₂₁H₂₀FN₃O₆S
MW: 461.5 g/mol

VQ-033386

Reference Standard

Pseudohypericin

CAS: 55954-61-5
Formula: C₃₀H₁₆O₉
MW: 520.4 g/mol

VQ-040699

Reference Standard

Pseudoprotodioscin

CAS: 102115-79-7
Formula: C₅₁H₈₂O₂₁
MW: 1031.2 g/mol

VQ-040518

Reference Standard

Psoralen

CAS: 66-97-7
Formula: C₁₁H₆O₃
MW: 186.16 g/mol

VQ-041756

Reference Standard

Pymetrozine

CAS: 123312-89-0
Formula: C₁₀H₁₁N₅O
MW: 217.23 g/mol

VQ-041757

Reference Standard

Pyraclostrobin

CAS: 175013-18-0
Formula: C₁₉H₁₈ClN₃O₄
MW: 387.8 g/mol

VQ-032724

Reference Standard

Pyrantel

CAS: 15686-83-6
Formula: C₁₁H₁₄N₂S
MW: 206.31 g/mol

VQ-044444

Reference Standard

Pyrantel Pamoate

CAS: 22204-24-6
Formula: C₃₄H₃₀N₂O₆S
MW: 594.7 g/mol

VQ-033387

Reference Standard

Pyridostigmine Bromide

CAS: 101-26-8
Formula: C₉H₁₃BrN₂O₂
MW: 261.12 g/mol

VQ-027682

Reference Standard

Pyridoxal

CAS: 66-72-8
Formula: C₈H₉NO₃
MW: 167.16 g/mol

VQ-043659

Reference Standard

Pyridoxine Hydrochloride

CAS: 58-56-0
Formula: C₈H₁₂ClNO₃
MW: 205.64 g/mol

VQ-007685

Reference Standard

Pyrimitate

CAS: 5221-49-8
Formula: C₁₁H₂₀N₃O₃PS
MW: 305.34 g/mol

VQ-039925

Reference Standard

Pyriproxyfen

CAS: 95737-68-1
Formula: C₂₀H₁₉NO₃
MW: 321.4 g/mol

VQ-038924

Reference Standard

Pyroxasulfone

CAS: 447399-55-5
Formula: C₁₂H₁₄F₅N₃O₄S
MW: 391.32 g/mol

VQ-033397

Reference Standard

Pyrroloquinoline quinone

CAS: 72909-34-3
Formula: C₁₄H₆N₂O₈
MW: 330.21 g/mol

VQ-041777

Reference Standard

Pyrroloquinoline Quinone Disodium

CAS: 122628-50-6
Formula: C₁₄H₄N₂Na₂O₈
MW: 374.17 g/mol

VQ-032947

Reference Standard

Pyrvinium Pamoate

CAS: 3546-41-6
Formula: C₇₅H₇₀N₆O₆
MW: 1151.4 g/mol

VQ-041778

Reference Standard

Quercetin

CAS: 117-39-5
Formula: C₁₅H₁₀O₇
MW: 302.23 g/mol

VQ-027689

Reference Standard

Quercetin Hydrate

CAS: 849061-97-8
Formula: C₁₅H₁₂O₈
MW: 320.25 g/mol

VQ-041779

Reference Standard

Quetiapine

CAS: 111974-69-7
Formula: C₂₁H₂₅N₃O₂S
MW: 383.5 g/mol

In stock

Reference Standard

Quetiapine Hemifumarate

CAS: 111974-72-2
Formula: C₄₆H₅₄N₆O₈S₂
MW: 883.1 g/mol

In stock

Reference Standard

Quetiapine Hydrochloride

CAS: 930086-71-8
Formula: C₂₁H₂₅N₃O₂S.ClH
MW: 419.97 g/mol

VQ-007688

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API Reference Standards

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