API Process Intermediates & Related Compounds

Acetaminophen

Name: Acetaminophen
Brand: Zemixal
SKU: ZX-012247

Reference StandardIn stock

Buy Acetaminophen (CAS 103-90-2) from Zemixal: C8H9NO2, COA and SDS with every lot, worldwide shipping. Packs from 10 mg.

Pack sizes

CAS number103-90-2

FormulaC₈H₉NO₂

Molar mass151.16 g/mol

Physical formSolid

HS code2933

InChIKeyRZVAJINKPMORJF-UHFFFAOYSA-N

IUPAC nameN-(4-hydroxyphenyl)acetamide

About Acetaminophen

Researchers and plant chemists source Acetaminophen from Zemixal for routine and specialised work. Key data (Reference Standard): CAS 103-90-2, formula C8H9NO2 and molar mass 151.16 g/mol. It is handled as a solid.

Typical applications

API route development
Impurity fate & purge studies
Analytical method development

Storage and safety notes

Classified under GHS with signal word Warning and hazard statements H302, H315, H319 and H412. Read the SDS before first use.

Available as 10 mg, 25 mg, 50 mg, 100 mg and 250 mg. Larger or split packs can be arranged. Every shipment includes a batch certificate of analysis and a 16-section SDS. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Paracetamol

See every impurity, metabolite and related compound we list for this API.

Paracetamol standards

Typical uses

API route development
Impurity fate & purge studies
Analytical method development

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of Acetaminophen
Product name	Acetaminophen
Catalogue number	ZX-012247
CAS number	103-90-2
IUPAC name	N-(4-hydroxyphenyl)acetamide
Molecular formula	C₈H₉NO₂
Molar mass	151.16 g/mol
Exact mass	151.0633
Grade	Reference Standard
Physical form	Solid
XLogP3	0.5
H-bond donors / acceptors	2 / 2
Topological polar surface area	49.3 Å²
HS code	2933
InChIKey	RZVAJINKPMORJF-UHFFFAOYSA-N
SMILES	CC(=O)NC1=CC=C(C=C1)O
PubChem CID	1983
Synonyms	4-Acetamidophenol, 4-(Acetylamino)phenol, Paracetamol, 4-Hydroxyacetanilide, Tylenol, 4'-Hydroxyacetanilide, Panadol, N-Acetyl-p-aminophenol, Algotropyl, p-Acetamidophenol, p-Hydroxyacetanilide, Doliprane

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

Irritant or harmful

Signal word Warning

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H412Harmful to aquatic life with long lasting effects

Precautionary statements P264, P264 + P265, P270, P273, P280, P301 + P317, P302 + P352, P305 + P351 + P338, P321, P330, P332 + P317, P337 + P317, P362 + P364, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Acetaminophen
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted on request
250 mg	Quoted on request
500 mg	Quoted on request
1 g	Quoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Acetaminophen

Which CAS number identifies Acetaminophen?

Acetaminophen is registered under CAS 103-90-2. You may also see it listed as 4-Acetamidophenol, 4-(Acetylamino)phenol, Paracetamol. Our catalogue number for this item is ZX-012247.

What are the formula and molar mass of Acetaminophen?

For Acetaminophen, its formula is C8H9NO2 and its molar mass is 151.16 g/mol. The systematic (IUPAC) name is N-(4-hydroxyphenyl)acetamide. InChIKey RZVAJINKPMORJF-UHFFFAOYSA-N lets you match it in any structure database.

How is Acetaminophen used in pharmaceutical QC?

Acetaminophen is a characterised reference material linked to Paracetamol. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.

What grade and pack sizes are available for Acetaminophen?

This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg, 250 mg, 500 mg. Larger quantities and custom packing can be quoted on request.

Which documents come with Acetaminophen?

Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.

Can Zemixal ship Acetaminophen to my country?

Yes. Because Acetaminophen is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

Other grades with CAS 103-90-2

p-Hydroxy acetanilide, 98%+

CAS: 103-90-2
Formula: C₈H₉NO₂
MW: 151.16 g/mol

ZX-008114

Paracetamol

CAS: 103-90-2
Formula: C₈H₉NO₂
MW: 151.16 g/mol

ZX-004011

More Paracetamol standards

More in API Process Intermediates & Related Compounds

Paracetamol Nitroso Impurity

CAS: 6947-36-0
Formula: C₁₄H₁₄N₂O₃
MW: 258.27 g/mol

ZX-006203

Paracetamol EP Impurity K

CAS: 123-30-8
Formula: C₆H₇NO
MW: 109.13 g/mol

ZX-005880

Paracetamol EP Impurity J

CAS: 539-03-7
Formula: C₈H₈ClNO
MW: 169.61 g/mol

ZX-005879

Paracetamol EP Impurity F

CAS: 100-02-7
Formula: C₆H₅NO₃
MW: 139.11 g/mol

ZX-005878

Paracetamol

CAS: 103-90-2
Formula: C₈H₉NO₂
MW: 151.16 g/mol

ZX-004011

Paracetamol EP Impurity A

CAS: 614-80-2
Formula: C₈H₉NO₂
MW: 151.16 g/mol

ZX-022480

Paracetamol EP Impurity B

CAS: 1693-37-4
Formula: C₉H₁₁NO₂
MW: 165.19 g/mol

ZX-022481

Paracetamol EP Impurity C

CAS: 3964-54-3
Formula: C₈H₈ClNO₂
MW: 185.61 g/mol

ZX-022482

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