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

Safinamide

CAS: 133865-89-1
Formula: C₁₇H₁₉FN₂O₂
MW: 302.34 g/mol

In stock

Reference Standard

Saflufenacil

CAS: 372137-35-4
Formula: C₁₇H₁₇ClF₄N₄O₅S
MW: 500.9 g/mol

VQ-032952

Reference Standard

Safranal

CAS: 116-26-7
Formula: C₁₀H₁₄O
MW: 150.22 g/mol

VQ-039203

Reference Standard

Salacinol

CAS: 200399-47-9
Formula: C₉H₁₈O₉S₂
MW: 334.4 g/mol

VQ-045228

Reference Standard

Salbutamol

CAS: 18559-94-9
Formula: C₁₃H₂₁NO₃
MW: 239.31 g/mol

VQ-007738

Reference Standard

Salcaprozate Sodium

CAS: 203787-91-1
Formula: C₁₅H₂₀NNaO₄
MW: 301.31 g/mol

In stock

Reference Standard

Salicylamide

CAS: 65-45-2
Formula: C₇H₇NO₂
MW: 137.14 g/mol

In stock

Reference Standard

Salicylamide Sodium Salt

CAS: 36205-82-0
Formula: C₇H₆NNaO₂
MW: 159.12 g/mol

VQ-007741

Reference Standard

Salinomycin

CAS: 53003-10-4
Formula: C₄₂H₇₀O₁₁
MW: 751 g/mol

VQ-042086

Reference Standard

Salinomycin Sodium

CAS: 55721-31-8
Formula: C₄₂H₆₉NaO₁₁
MW: 773 g/mol

VQ-033750

Reference Standard

Salmeterol

CAS: 89365-50-4
Formula: C₂₅H₃₇NO₄
MW: 415.6 g/mol

VQ-033751

Reference Standard

Salmeterol Xinafoate

CAS: 94749-08-3
Formula: C₃₆H₄₅NO₇
MW: 603.7 g/mol

VQ-023734

Reference Standard

Salvianolic Acid B

CAS: 121521-90-2
Formula: C₃₆H₃₀O₁₆
MW: 718.6 g/mol

VQ-039535

Reference Standard

Samidorphan

CAS: 852626-89-2
Formula: C₂₁H₂₆N₂O₄
MW: 370.4 g/mol

VQ-033756

Reference Standard

Santonin

CAS: 481-06-1
Formula: C₁₅H₁₈O₃
MW: 246.3 g/mol

VQ-042092

Reference Standard

Sapropterin

CAS: 62989-33-7
Formula: C₉H₁₅N₅O₃
MW: 241.25 g/mol

VQ-033760

Reference Standard

Saquinavir mesylate

CAS: 149845-06-7
Formula: C₃₉H₅₄N₆O₈S
MW: 766.9 g/mol

VQ-027986

Reference Standard

Sarafloxacin Hydrochloride

CAS: 91296-87-6
Formula: C₂₀H₁₈ClF₂N₃O₃
MW: 421.8 g/mol

VQ-042095

Reference Standard

Sarecycline

CAS: 1035654-66-0
Formula: C₂₄H₂₉N₃O₈
MW: 487.5 g/mol

VQ-033765

Reference Standard

Sarecycline Hydrochloride

CAS: 1035979-44-2
Formula: C₂₄H₃₀ClN₃O₈
MW: 524 g/mol

VQ-042097

Reference Standard

Saroglitazar

CAS: 495399-09-2
Formula: C₂₅H₂₉NO₄S
MW: 439.6 g/mol

VQ-033766

Reference Standard

Sarolaner

CAS: 1398609-39-6
Formula: C₂₃H₁₈Cl₂F₄N₂O₅S
MW: 581.4 g/mol

VQ-033767

Reference Standard

Sarpogrelate Hydrochloride

CAS: 135159-51-2
Formula: C₂₄H₃₂ClNO₆
MW: 466 g/mol

VQ-044994

Reference Standard

Satranidazole

CAS: 56302-13-7
Formula: C₈H₁₁N₅O₅S
MW: 289.27 g/mol

VQ-033768

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API Reference Standards

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