N-Acetyl Phentermine

About N-Acetyl Phentermine

N-Acetyl Phentermine is an impurity of Phentermine carrying the CAS registry number 5531-33-9. Formula C12H17NO, molecular weight 191.27 g/mol. The IUPAC name is N-(2-methyl-1-phenylpropan-2-yl)acetamide. Alternative names: Phentermine Phenethylamine and N-(1,1-Dimethyl-2-phenylethyl)acetamide.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

As a characterised impurity of Phentermine, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, N-Acetyl Phentermine is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Phentermine

View every impurity, metabolite and intermediate we list for Phentermine.

Phentermine impurities

Specifications & identifiers

Chemical identifiers
Product name	N-Acetyl Phentermine
Catalogue No.	VQ-032934
CAS Number	5531-33-9
IUPAC name	N-(2-methyl-1-phenylpropan-2-yl)acetamide
Molecular formula	C₁₂H₁₇NO
Molecular weight	191.27 g/mol
Exact mass	191.131
Grade	Reference Standard
HSN code	38229090
InChIKey	AVEJEOTYLAFEDZ-UHFFFAOYSA-N
SMILES	CC(=O)NC(C)(C)CC1=CC=CC=C1
PubChem CID	266405

Physical properties
Physical form	Solid
LogP (XLogP3)	2.1
H-bond donors / acceptors	1 / 1
TPSA	29.1 Å²
Synonyms	Phentermine Phenethylamine, N-(1,1-Dimethyl-2-phenylethyl)acetamide, N-(1,1-Dimethyl-2-phenylethyl)acetamid, Phentermine, acetyl, N-(1,1-dimethyl-2-phenyl-ethyl)acetamide, N-(alpha,alpha-Dimethylphenethyl)acetamide, N-(1,1-Dimethyl-2-phenylethyl)acetamide #, N-(2-methyl-1-phenylpropan-2-yl) acetamide, Acetamide, N-(1,1-dimethyl-2-phenylethyl)-, Acetamide, N-(alpha,alpha-dimethylphenethyl)-

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H319Causes serious eye irritation

Precautionary statements: P264, P264 + P265, P270, P280, P301 + P317, P305 + P351 + P338, P330, P337 + P317, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of N-Acetyl Phentermine?

The CAS Registry Number of N-Acetyl Phentermine is 5531-33-9. It is also known as Phentermine Phenethylamine, N-(1,1-Dimethyl-2-phenylethyl)acetamide, N-(1,1-Dimethyl-2-phenylethyl)acetamid.

What is the molecular formula and molecular weight of N-Acetyl Phentermine?

N-Acetyl Phentermine has the molecular formula C12H17NO and a molecular weight of 191.27 g/mol. Its IUPAC name is N-(2-methyl-1-phenylpropan-2-yl)acetamide.

What is N-Acetyl Phentermine used for?

N-Acetyl Phentermine is supplied as a characterised reference material related to Phentermine. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of N-Acetyl Phentermine can I order?

We supply N-Acetyl Phentermine in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with N-Acetyl Phentermine?

Yes. Every lot of N-Acetyl Phentermine is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can N-Acetyl Phentermine be shipped internationally?

Yes. N-Acetyl Phentermine is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.