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

Thiamine Nitrate

CAS: 532-43-4
Formula: C₁₂H₁₇N₅O₄S
MW: 327.36 g/mol

In stock

Reference Standard

Thiamphenicol

CAS: 15318-45-3
Formula: C₁₂H₁₅Cl₂NO₅S
MW: 356.2 g/mol

VQ-028333

Reference Standard

Thiocolchicoside hydrate

CAS: 1622135-03-8
Formula: C₂₇H₃₅NO₁₁S
MW: 581.6 g/mol

VQ-034197

Reference Standard

Thiocyclam hydrogenoxalate

CAS: 31895-22-4
Formula: C₇H₁₃NO₄S₃
MW: 271.4 g/mol

VQ-040161

Reference Standard

Thiodiglycolic anhydride

CAS: 3261-87-8
Formula: C₄H₄O₃S
MW: 132.14 g/mol

VQ-042498

Reference Standard

Thiometon

CAS: 640-15-3
Formula: C₆H₁₅O₂PS₃
MW: 246.4 g/mol

VQ-039601

Reference Standard

Thioridazine

CAS: 50-52-2
Formula: C₂₁H₂₆N₂S₂
MW: 370.6 g/mol

VQ-028339

Reference Standard

Thioridazine Hydrochloride

CAS: 130-61-0
Formula: C₂₁H₂₇ClN₂S₂
MW: 407 g/mol

VQ-032748

Reference Standard

Thiotepa

CAS: 52-24-4
Formula: C₆H₁₂N₃PS
MW: 189.22 g/mol

VQ-028341

Reference Standard

Thiothixene

CAS: 5591-45-7
Formula: C₂₃H₂₉N₃O₂S₂
MW: 443.6 g/mol

VQ-042501

Reference Standard

Thymalfasin

CAS: 69521-94-4
Formula: C₁₂₉H₂₁₅N₃₃O₅₅
MW: 3108.3 g/mol

VQ-042503

Reference Standard

Tiagabine Hydrochloride

CAS: 145821-59-6
Formula: C₂₀H₂₆ClNO₂S₂
MW: 412 g/mol

VQ-034208

Reference Standard

Tiamulin

CAS: 55297-95-5
Formula: C₂₈H₄₇NO₄S
MW: 493.7 g/mol

VQ-034211

Reference Standard

Tiamulin Fumarate

CAS: 55297-96-6
Formula: C₃₂H₅₁NO₈S
MW: 609.8 g/mol

VQ-028346

Reference Standard

Tiapride Hydrochloride

CAS: 51012-33-0
Formula: C₁₅H₂₅ClN₂O₄S
MW: 364.9 g/mol

VQ-028353

Reference Standard

Tiaprofenic acid

CAS: 33005-95-7
Formula: C₁₄H₁₂O₃S
MW: 260.31 g/mol

VQ-034219

Reference Standard

Tibolone

CAS: 5630-53-5
Formula: C₂₁H₂₈O₂
MW: 312.4 g/mol

VQ-028853

Reference Standard

Ticagrelor

CAS: 274693-27-5
Formula: C₂₃H₂₈F₂N₆O₄S
MW: 522.6 g/mol

VQ-007798

Reference Standard

Ticarcillin Monosodium

CAS: 74682-62-5
Formula: C₁₅H₁₅N₂NaO₆S₂
MW: 406.4 g/mol

VQ-042546

Reference Standard

Ticlopidine

CAS: 55142-85-3
Formula: C₁₄H₁₄ClNS
MW: 263.8 g/mol

VQ-042547

Reference Standard

Ticlopidine Hydrochloride

CAS: 53885-35-1
Formula: C₁₄H₁₅Cl₂NS
MW: 300.2 g/mol

VQ-028382

Reference Standard

Tiemonium methylsulfate

CAS: 6504-57-0
Formula: C₁₉H₂₇NO₆S₂
MW: 429.6 g/mol

VQ-034270

Reference Standard

Tienilic Acid

CAS: 40180-04-9
Formula: C₁₃H₈Cl₂O₄S
MW: 331.2 g/mol

VQ-042549

Reference Standard

Tigecycline

CAS: 220620-09-7
Formula: C₂₉H₃₉N₅O₈
MW: 585.6 g/mol

VQ-034271

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API Reference Standards

Need a price, a spec or a custom compound?