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

Trimethoprim lactate

CAS: 23256-42-0
Formula: C₁₇H₂₄N₄O₆
MW: 380.4 g/mol

VQ-042703

Reference Standard

Trimethylsilylamine

CAS: 7379-79-5
Formula: C₃H₁₁NSi
MW: 89.21 g/mol

VQ-042706

Reference Standard

Trimipramine maleate

CAS: 521-78-8
Formula: C₂₄H₃₀N₂O₄
MW: 410.5 g/mol

VQ-028545

Reference Standard

Trinexapac

CAS: 143294-89-7
Formula: C₁₁H₁₂O₅
MW: 224.21 g/mol

VQ-042710

Reference Standard

Trioxsalen

CAS: 3902-71-4
Formula: C₁₄H₁₂O₃
MW: 228.24 g/mol

VQ-042711

Reference Standard

Tripelennamine Hydrochloride

CAS: 154-69-8
Formula: C₁₆H₂₂ClN₃
MW: 291.82 g/mol

VQ-042712

Reference Standard

Triprolidine Hydrochloride

CAS: 550-70-9
Formula: C₁₉H₂₃ClN₂
MW: 314.9 g/mol

VQ-034449

Reference Standard

Triprolidine Hydrochloride Monohydrate

CAS: 6138-79-0
Formula: C₁₉H₂₅ClN₂O
MW: 332.9 g/mol

VQ-034450

Reference Standard

Triptorelin

CAS: 57773-63-4
Formula: C₆₄H₈₂N₁₈O₁₃
MW: 1311.4 g/mol

VQ-034452

Reference Standard

Triptorelin Acetate

CAS: 140194-24-7
Formula: C₆₆H₈₆N₁₈O₁₅
MW: 1371.5 g/mol

VQ-034453

Reference Standard

Triptorelin Embonate

CAS: 124508-66-3
Formula: C₈₇H₉₈N₁₈O₁₉
MW: 1699.8 g/mol

VQ-044663

Reference Standard

Triricinolein

CAS: 2540-54-7
Formula: C₅₇H₁₀₄O₉
MW: 933.4 g/mol

VQ-034454

Reference Standard

Triticonazole

CAS: 131983-72-7
Formula: C₁₇H₂₀ClN₃O
MW: 317.8 g/mol

VQ-040874

Reference Standard

Trityl Azide

CAS: 14309-25-2
Formula: C₁₉H₁₅N₃
MW: 285.3 g/mol

In stock

Reference Standard

Troglitazone

CAS: 97322-87-7
Formula: C₂₄H₂₇NO₅S
MW: 441.5 g/mol

VQ-042719

Reference Standard

Troleandomycin

CAS: 2751-09-9
Formula: C₄₁H₆₇NO₁₅
MW: 814 g/mol

VQ-042720

Reference Standard

Tropicamide

CAS: 1508-75-4
Formula: C₁₇H₂₀N₂O₂
MW: 284.35 g/mol

VQ-034456

Reference Standard

Tropisetron Hydrochloride

CAS: 105826-92-4
Formula: C₁₇H₂₁ClN₂O₂
MW: 320.8 g/mol

VQ-028553

Reference Standard

Trospium chloride

CAS: 10405-02-4
Formula: C₂₅H₃₀ClNO₃
MW: 428 g/mol

VQ-023940

Reference Standard

Tryptamine

CAS: 61-54-1
Formula: C₁₀H₁₂N₂
MW: 160.22 g/mol

In stock

Reference Standard

Tryptamine Hydrochloride

CAS: 343-94-2
Formula: C₁₀H₁₃ClN₂
MW: 196.67 g/mol

VQ-007824

Reference Standard

Tryptophol

CAS: 526-55-6
Formula: C₁₀H₁₁NO
MW: 161.2 g/mol

VQ-032787

Reference Standard

Tucatinib

CAS: 937263-43-9
Formula: C₂₆H₂₄N₈O₂
MW: 480.5 g/mol

In stock

Reference Standard

Tulathromycin A

CAS: 217500-96-4
Formula: C₄₁H₇₉N₃O₁₂
MW: 806.1 g/mol

VQ-034473

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API Reference Standards

Need a price, a spec or a custom compound?