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

Tildipirosin

CAS: 328898-40-4
Formula: C₄₁H₇₁N₃O₈
MW: 734 g/mol

VQ-034272

Reference Standard

Tilmicosin

CAS: 108050-54-0
Formula: C₄₆H₈₀N₂O₁₃
MW: 869.1 g/mol

VQ-042551

Reference Standard

Tilmicosin Phosphate Salt

CAS: 137330-13-3
Formula: C₄₆H₈₃N₂O₁₇P
MW: 967.1 g/mol

VQ-034273

Reference Standard

Timolol

CAS: 26839-75-8
Formula: C₁₃H₂₄N₄O₃S
MW: 316.42 g/mol

In stock

Reference Standard

Timolol Maleate

CAS: 26921-17-5
Formula: C₁₇H₂₈N₄O₇S
MW: 432.5 g/mol

In stock

Reference Standard

Tinopal

CAS: 24231-46-7
Formula: C₄₀H₄₀N₁₂O₈S₂
MW: 881 g/mol

VQ-040997

Reference Standard

Tioconazole

CAS: 65899-73-2
Formula: C₁₆H₁₃Cl₃N₂OS
MW: 387.7 g/mol

VQ-023899

Reference Standard

Tiopronin

CAS: 1953-02-2
Formula: C₅H₉NO₃S
MW: 163.2 g/mol

VQ-034285

Reference Standard

Tiotropium Bromide Hydrate

CAS: 139404-48-1
Formula: C₁₉H₂₄BrNO₅S₂
MW: 490.4 g/mol

VQ-043331

Reference Standard

Tipepidine Citrate

CAS: 14698-07-8
Formula: C₂₁H₂₅NO₇S₂
MW: 467.6 g/mol

VQ-034290

Reference Standard

Tipiracil

CAS: 183204-74-2
Formula: C₉H₁₁ClN₄O₂
MW: 242.66 g/mol

In stock

Reference Standard

Tipiracil Hydrochloride

CAS: 183204-72-0
Formula: C₉H₁₂Cl₂N₄O₂
MW: 279.12 g/mol

VQ-042564

Reference Standard

Tirbanibulin

CAS: 897016-82-9
Formula: C₂₆H₂₉N₃O₃
MW: 431.5 g/mol

VQ-028405

Reference Standard

Tirofiban

CAS: 144494-65-5
Formula: C₂₂H₃₆N₂O₅S
MW: 440.6 g/mol

VQ-034295

Reference Standard

Tirofiban Hydrochloride

CAS: 142373-60-2
Formula: C₂₂H₃₇ClN₂O₅S
MW: 477.1 g/mol

VQ-042568

Reference Standard

Tirofiban Hydrochloride hydrate

CAS: 150915-40-5
Formula: C₂₂H₃₉ClN₂O₆S
MW: 495.1 g/mol

VQ-034293

Reference Standard

Tiropramide Hydrochloride

CAS: 53567-47-8
Formula: C₂₈H₄₂ClN₃O₃
MW: 504.1 g/mol

VQ-042570

Reference Standard

Tirzepatide

CAS: 2023788-19-2
Formula: C₂₂₅H₃₄₈N₄₈O₆₈
MW: 4813 g/mol

VQ-034296

Reference Standard

Tivozanib

CAS: 475108-18-0
Formula: C₂₂H₁₉ClN₄O₅
MW: 454.9 g/mol

VQ-007802

Reference Standard

Tizanidine

CAS: 51322-75-9
Formula: C₉H₈ClN₅S
MW: 253.71 g/mol

VQ-007803

Reference Standard

Tizanidine Hydrochloride

CAS: 64461-82-1
Formula: C₉H₉Cl₂N₅S
MW: 290.17 g/mol

In stock

Reference Standard

Tizoxanide

CAS: 173903-47-4
Formula: C₁₀H₇N₃O₄S
MW: 265.25 g/mol

VQ-026930

Reference Standard

Tizoxanide Sulfate

CAS: 1391053-06-7
Formula: C₁₀H₇N₃O₇S₂
MW: 345.3 g/mol

VQ-034300

Reference Standard

Tobramycin

CAS: 32986-56-4
Formula: C₁₈H₃₇N₅O₉
MW: 467.5 g/mol

VQ-023909

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API Reference Standards

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