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

Pemigatinib

CAS: 1513857-77-6
Formula: C₂₄H₂₇F₂N₅O₄
MW: 487.5 g/mol

VQ-027417

Reference Standard

Penciclovir

CAS: 39809-25-1
Formula: C₁₀H₁₅N₅O₃
MW: 253.26 g/mol

In stock

Reference Standard

Penethamate Hydriodide

CAS: 808-71-9
Formula: C₂₂H₃₂IN₃O₄S
MW: 561.5 g/mol

VQ-041385

Reference Standard

Penicillin V

CAS: 87-08-1
Formula: C₁₆H₁₈N₂O₅S
MW: 350.4 g/mol

VQ-033100

Reference Standard

Penoxsulam

CAS: 219714-96-2
Formula: C₁₆H₁₄F₅N₅O₅S
MW: 483.4 g/mol

VQ-033104

Reference Standard

Pentagastrin

CAS: 5534-95-2
Formula: C₃₇H₄₉N₇O₉S
MW: 767.9 g/mol

VQ-032781

Reference Standard

Pentamidine

CAS: 100-33-4
Formula: C₁₉H₂₄N₄O₂
MW: 340.4 g/mol

VQ-041395

Reference Standard

Pentoxifylline

CAS: 6493-05-6
Formula: C₁₃H₁₈N₄O₃
MW: 278.31 g/mol

VQ-033105

Reference Standard

Pentoxyverine Citrate

CAS: 23142-01-0
Formula: C₂₆H₃₉NO₁₀
MW: 525.6 g/mol

VQ-041403

Reference Standard

Peramivir

CAS: 330600-85-6
Formula: C₁₅H₂₈N₄O₄
MW: 328.41 g/mol

VQ-033109

Reference Standard

Peramivir Trihydrate

CAS: 1041434-82-5
Formula: C₁₅H₃₄N₄O₇
MW: 382.45 g/mol

VQ-033110

Reference Standard

Perampanel

CAS: 380917-97-5
Formula: C₂₃H₁₅N₃O
MW: 349.4 g/mol

VQ-027437

Reference Standard

Perampanel hydrate

CAS: 1571982-04-1
Formula: C₉₂H₆₆N₁₂O₇
MW: 1451.6 g/mol

VQ-027440

Reference Standard

Perazine Dimalonate

CAS: 14777-25-4
Formula: C₂₆H₃₃N₃O₈S
MW: 547.6 g/mol

VQ-027444

Reference Standard

Perfluorohexyloctane

CAS: 133331-77-8
Formula: C₁₄H₁₇F₁₃
MW: 432.26 g/mol

VQ-040946

Reference Standard

Pergolide Mesylate

CAS: 66104-23-2
Formula: C₂₀H₃₀N₂O₃S₂
MW: 410.6 g/mol

VQ-043552

Reference Standard

Perhexiline

CAS: 6621-47-2
Formula: C₁₉H₃₅N
MW: 277.5 g/mol

VQ-035460

Reference Standard

Pericyazine

CAS: 2622-26-6
Formula: C₂₁H₂₃N₃OS
MW: 365.5 g/mol

VQ-033131

Reference Standard

Perindopril

CAS: 82834-16-0
Formula: C₁₉H₃₂N₂O₅
MW: 368.5 g/mol

VQ-007649

Reference Standard

Permethrin

CAS: 52645-53-1
Formula: C₂₁H₂₀Cl₂O₃
MW: 391.3 g/mol

VQ-023484

Reference Standard

Perospirone

CAS: 150915-41-6
Formula: C₂₃H₃₀N₄O₂S
MW: 426.6 g/mol

VQ-041427

Reference Standard

Petunidin chloride

CAS: 1429-30-7
Formula: C₁₆H₁₃ClO₇
MW: 352.72 g/mol

VQ-040416

Reference Standard

Pharacine

CAS: 63440-93-7
Formula: C₂₄H₂₄O₈
MW: 440.4 g/mol

VQ-032464

Reference Standard

Phenazopyridine

CAS: 94-78-0
Formula: C₁₁H₁₁N₅
MW: 213.24 g/mol

VQ-039284

Need a price, a spec or a custom compound?

Send us your list — product names or CAS numbers, grade, quantity and destination. Our team replies with a formal quotation, COA and lead time.

Request a quote Contact sales

Laboratory Chemicals & Reagents View all

Solvents View all

Life Science & Biochemicals View all

APIs & Bulk Drugs View all

Impurities & Reference Standards View all

Pharma Intermediates & Building Blocks View all

Inorganic Chemicals, Metals & Advanced Materials View all

Industrial & Specialty Chemicals View all

API Reference Standards

Need a price, a spec or a custom compound?