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

Haloperidol Decanoate

CAS: 74050-97-8
Formula: C₃₁H₄₁ClFNO₃
MW: 530.1 g/mol

VQ-022777

Reference Standard

Haloxon

CAS: 321-55-1
Formula: C₁₄H₁₄Cl₃O₆P
MW: 415.6 g/mol

VQ-037575

Reference Standard

Harmine

CAS: 442-51-3
Formula: C₁₃H₁₂N₂O
MW: 212.25 g/mol

VQ-032967

Reference Standard

Harpagoside

CAS: 19210-12-9
Formula: C₂₄H₃₀O₁₁
MW: 494.5 g/mol

VQ-032741

Reference Standard

Hederacoside C

CAS: 14216-03-6
Formula: C₅₉H₉₆O₂₆
MW: 1221.4 g/mol

VQ-027247

Reference Standard

Heliotrine

CAS: 303-33-3
Formula: C₁₆H₂₇NO₅
MW: 313.39 g/mol

VQ-031056

Reference Standard

Henicosanoic acid

CAS: 2363-71-5
Formula: C₂₁H₄₂O₂
MW: 326.6 g/mol

VQ-041015

Reference Standard

Hericenone C

CAS: 137592-03-1
Formula: C₃₅H₅₄O₆
MW: 570.8 g/mol

VQ-041073

Reference Standard

Hericenone D

CAS: 137592-04-2
Formula: C₃₇H₅₈O₆
MW: 598.9 g/mol

VQ-041074

Reference Standard

Hexamidine

CAS: 3811-75-4
Formula: C₂₀H₂₆N₄O₂
MW: 354.4 g/mol

VQ-048572

Reference Standard

Hexamidine diisethionate

CAS: 659-40-5
Formula: C₂₄H₃₈N₄O₁₀S₂
MW: 606.7 g/mol

VQ-022789

Reference Standard

Hexestrol

CAS: 84-16-2
Formula: C₁₈H₂₂O₂
MW: 270.4 g/mol

VQ-037583

Reference Standard

Hexetidine

CAS: 141-94-6
Formula: C₂₁H₄₅N₃
MW: 339.6 g/mol

VQ-022790

Reference Standard

Hidrosmin

CAS: 115960-14-0
Formula: C₃₀H₃₆O₁₆
MW: 652.6 g/mol

VQ-031065

Reference Standard

Homatropine

CAS: 87-00-3
Formula: C₁₆H₂₁NO₃
MW: 275.34 g/mol

VQ-031068

Reference Standard

Homopterocarpin

CAS: 606-91-7
Formula: C₁₇H₁₆O₄
MW: 284.31 g/mol

VQ-045213

Reference Standard

Homosalate

CAS: 118-56-9
Formula: C₁₆H₂₂O₃
MW: 262.34 g/mol

VQ-031069

Reference Standard

Hydralazine Hydrochloride

CAS: 304-20-1
Formula: C₈H₉ClN₄
MW: 196.64 g/mol

VQ-022791

Reference Standard

Hydrochlorothiazide

CAS: 58-93-5
Formula: C₇H₈ClN₃O₄S₂
MW: 297.7 g/mol

In stock

Reference Standard

Hydrocortisone

CAS: 50-23-7
Formula: C₂₁H₃₀O₅
MW: 362.5 g/mol

In stock

Reference Standard

Hydrocortisone (phosphate)

CAS: 3863-59-0
Formula: C₂₁H₃₁O₈P
MW: 442.4 g/mol

VQ-031094

Reference Standard

Hydrocortisone hemisuccinate hydrate

CAS: 83784-20-7
Formula: C₂₅H₃₆O₉
MW: 480.5 g/mol

VQ-031083

Reference Standard

Hydrocortisone Hydrogen Succinate

CAS: 2203-97-6
Formula: C₂₅H₃₄O₈
MW: 462.5 g/mol

VQ-022261

Reference Standard

Hydrocortisone Sodium Phosphate

CAS: 6000-74-4
Formula: C₂₁H₂₉Na₂O₈P
MW: 486.4 g/mol

VQ-026067

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API Reference Standards

Need a price, a spec or a custom compound?