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

Testosterone Decanoate

CAS: 5721-91-5
Formula: C₂₉H₄₆O₃
MW: 442.7 g/mol

VQ-034911

Reference Standard

Testosterone Dipropionate

CAS: 42257-18-1
Formula: C₂₅H₃₈O₄
MW: 402.6 g/mol

VQ-044472

Reference Standard

Testosterone Propionate

CAS: 57-85-2
Formula: C₂₂H₃₂O₃
MW: 344.5 g/mol

In stock

Reference Standard

Testosterone sulfate

CAS: 651-45-6
Formula: C₁₉H₂₈O₅S
MW: 368.5 g/mol

VQ-042456

Reference Standard

Tetrabenazine

CAS: 718635-93-9
Formula: C₁₉H₂₇NO₃
MW: 317.4 g/mol

VQ-034159

Reference Standard

Tetrabenazine HydroChloride

CAS: 2105-47-7
Formula: C₁₉H₂₈ClNO₃
MW: 353.9 g/mol

VQ-007789

Reference Standard

Tetrabenazine WS

CAS: 58-46-8
Formula: C₁₉H₂₇NO₃
MW: 317.4 g/mol

In stock

Reference Standard

Tetracaine

CAS: 94-24-6
Formula: C₁₅H₂₄N₂O₂
MW: 264.36 g/mol

VQ-023867

Reference Standard

Tetracaine Hydrochloride

CAS: 136-47-0
Formula: C₁₅H₂₅ClN₂O₂
MW: 300.82 g/mol

VQ-028307

Reference Standard

Tetraconazole

CAS: 112281-77-3
Formula: C₁₃H₁₁Cl₂F₄N₃O
MW: 372.14 g/mol

VQ-034176

Reference Standard

Tetrahydrocinacalcet Hydrochloride

CAS: 1229225-43-7
Formula: C₂₂H₂₇ClF₃N
MW: 397.9 g/mol

VQ-029797

Reference Standard

Tetrahydrozoline Hydrochloride

CAS: 522-48-5
Formula: C₁₃H₁₇ClN₂
MW: 236.74 g/mol

VQ-028317

Reference Standard

Tetramisole Hydrochloride

CAS: 5086-74-8
Formula: C₁₁H₁₃ClN₂S
MW: 240.75 g/mol

VQ-042471

Reference Standard

Tetrapropyltin

CAS: 2176-98-9
Formula: C₁₂H₂₈Sn
MW: 291.06 g/mol

VQ-040220

Reference Standard

Tezacaftor

CAS: 1152311-62-0
Formula: C₂₆H₂₇F₃N₂O₆
MW: 520.5 g/mol

VQ-028319

Reference Standard

Theobromine

CAS: 83-67-0
Formula: C₇H₈N₄O₂
MW: 180.16 g/mol

In stock

Reference Standard

Theodrenaline Hydrochloride

CAS: 2572-61-4
Formula: C₁₇H₂₂ClN₅O₅
MW: 411.8 g/mol

VQ-047660

Reference Standard

Theophylline

CAS: 58-55-9
Formula: C₇H₈N₄O₂
MW: 180.16 g/mol

In stock

Reference Standard

Thiamethoxam

CAS: 153719-23-4
Formula: C₈H₁₀ClN₅O₃S
MW: 291.72 g/mol

VQ-034189

Reference Standard

Thiamine

CAS: 70-16-6
Formula: C₁₂H₁₇N₄OS⁺
MW: 265.36 g/mol

VQ-007793

Reference Standard

Thiamine chloride

CAS: 59-43-8
Formula: C₁₂H₁₇N₄OS⁺
MW: 265.36 g/mol

VQ-007794

Reference Standard

Thiamine Disulfide

CAS: 67-16-3
Formula: C₂₄H₃₄N₈O₄S₂
MW: 562.7 g/mol

VQ-042483

Reference Standard

Thiamine Hydrochloride

CAS: 67-03-8
Formula: C₁₂H₁₈Cl₂N₄OS
MW: 337.3 g/mol

In stock

Reference Standard

Thiamine Hydrochloride Hydrate

CAS: 6779-97-1
Formula: C₁₂H₂₀Cl₂N₄O₂S
MW: 355.3 g/mol

VQ-007796

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API Reference Standards

Need a price, a spec or a custom compound?