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

Saxagliptin Hydrate

CAS: 945667-22-1
Formula: C₁₈H₂₇N₃O₃
MW: 333.4 g/mol

In stock

Reference Standard

Saxagliptin Hydrochloride

CAS: 709031-78-7
Formula: C₁₈H₂₆ClN₃O₂
MW: 351.9 g/mol

In stock

Reference Standard

Saxagliptin Hydrochloride Dihydrate

CAS: 1073057-20-1
Formula: C₁₈H₃₀ClN₃O₄
MW: 387.9 g/mol

VQ-033769

Reference Standard

Saxagliptin Hydrochloride Monohydrate

CAS: 1370409-28-1
Formula: C₁₈H₂₈ClN₃O₃
MW: 369.9 g/mol

VQ-042117

Reference Standard

Saxagliptin WS

CAS: 361442-04-8
Formula: C₁₈H₂₅N₃O₂
MW: 315.4 g/mol

In stock

Reference Standard

Saxitoxin

CAS: 35523-89-8
Formula: C₁₀H₁₇N₇O₄
MW: 299.29 g/mol

VQ-041047

Reference Standard

Saxitoxin Dihydrochloride

CAS: 35554-08-6
Formula: C₁₀H₁₉Cl₂N₇O₄
MW: 372.21 g/mol

VQ-041048

Reference Standard

Schisandrin B

CAS: 61281-37-6
Formula: C₂₃H₂₈O₆
MW: 400.5 g/mol

VQ-040821

Reference Standard

Scopolamine Hydrobromide

CAS: 114-49-8
Formula: C₁₇H₂₂BrNO₄
MW: 384.3 g/mol

VQ-031112

Reference Standard

Scopoline

CAS: 487-27-4
Formula: C₈H₁₃NO₂
MW: 155.19 g/mol

VQ-033791

Reference Standard

Sebaloxavir Marboxil

CAS: 2581298-44-2
Formula: C₂₇H₂₃F₂N₃O₇Se
MW: 618.5 g/mol

VQ-047523

Reference Standard

Sebetralstat

CAS: 1933514-13-6
Formula: C₂₆H₂₆FN₅O₄
MW: 491.5 g/mol

VQ-040432

Reference Standard

Seco Rapamycin

CAS: 147438-27-5
Formula: C₅₁H₇₉NO₁₃
MW: 914.2 g/mol

VQ-007745

Reference Standard

Seco Rapamycin Sodium Salt

CAS: 148554-65-8
Formula: C₅₁H₇₈NNaO₁₃
MW: 936.2 g/mol

In stock

Reference Standard

Secoisolariciresinol

CAS: 29388-59-8
Formula: C₂₀H₂₆O₆
MW: 362.4 g/mol

VQ-042121

Reference Standard

Secophenol

CAS: 2394-69-6
Formula: C₁₉H₂₄O₃
MW: 300.4 g/mol

VQ-042122

Reference Standard

Segesterone Acetate

CAS: 7759-35-5
Formula: C₂₃H₃₀O₄
MW: 370.5 g/mol

VQ-033793

Reference Standard

Seladelpar

CAS: 851528-79-5
Formula: C₂₁H₂₃F₃O₅S
MW: 444.5 g/mol

VQ-033794

Reference Standard

Selamectin

CAS: 220119-17-5
Formula: C₄₃H₆₃NO₁₁
MW: 770 g/mol

VQ-033798

Reference Standard

Selegiline Hydrochloride

CAS: 14611-52-0
Formula: C₁₃H₁₈ClN
MW: 223.74 g/mol

VQ-033800

Reference Standard

Selexipag

CAS: 475086-01-2
Formula: C₂₆H₃₂N₄O₄S
MW: 496.6 g/mol

In stock

Reference Standard

Selinexor

CAS: 1393477-72-9
Formula: C₁₇H₁₁F₆N₇O
MW: 443.3 g/mol

VQ-027269

Reference Standard

Selpercatinib

CAS: 2152628-33-4
Formula: C₂₉H₃₁N₇O₃
MW: 525.6 g/mol

VQ-028000

Reference Standard

Seltorexant

CAS: 1293281-49-8
Formula: C₂₁H₂₂FN₇O
MW: 407.4 g/mol

VQ-042135

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API Reference Standards

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