Shipping to 128 countriesCOA and SDS with every lotQuotes within one business day
Bulk CASAccount
API Impurities

5-Amino-3,4-dimethylisoxazole

Reference StandardAvailable on request

5-Amino-3,4-dimethylisoxazole (CAS 19947-75-2) supplier Zemixal. Request a quote with price, lead time and documents. Quotes within one business day.

Pack sizes
5-Amino-3,4-dimethylisoxazole chemical structure
CAS number19947-75-2
FormulaC5H8N2O
Molar mass112.13 g/mol
Physical formSolid
HS code38229090
InChIKeyPYNDWPFZDQONDV-UHFFFAOYSA-N
IUPAC name3,4-dimethyl-1,2-oxazol-5-amine

About 5-Amino-3,4-dimethylisoxazole

Analytical teams working on N methylpyrrolidone use 5-Amino-3,4-dimethylisoxazole as a qualified comparison standard. For your records (Reference Standard), the material is defined by CAS 19947-75-2, formula C5H8N2O and molar mass 112.13 g/mol. It is handled as a solid.

Where it is used

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

Storage and safety notes

Classified under GHS with signal word Warning and hazard statements H315, H319 and H335. Read the SDS before first use.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. Every shipment includes a certificate of analysis with characterisation data. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for N methylpyrrolidone

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

N methylpyrrolidone standards

Typical uses

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

Applications

Specifications and identifiers

Specifications of 5-Amino-3,4-dimethylisoxazole
Product name5-Amino-3,4-dimethylisoxazole
Catalogue numberZX-043319
CAS number19947-75-2
IUPAC name3,4-dimethyl-1,2-oxazol-5-amine
Molecular formulaC5H8N2O
Molar mass112.13 g/mol
Exact mass112.0637
GradeReference Standard
Physical formSolid
XLogP30.8
H-bond donors / acceptors1 / 3
Topological polar surface area52.1 Ų
HS code38229090
InChIKeyPYNDWPFZDQONDV-UHFFFAOYSA-N
SMILESCC1=C(ON=C1C)N
PubChem CID88317
Synonyms5-Isoxazolamine, 3,4-dimethyl-, 3,4-Dimethylisoxazol-5-ylamine, 3,4-DMAI, 3,4-Dimethylisoxazol-5-amine, dimethyl-1,2-oxazol-5-amine, 3,4-dimethyl-5-isoxazolamine, 3,4-dimethylisoxazole-5-ylamine, 3,4-dimethyl-, 5-Isoxazolamine,4-dimethyl-, 3,4-dimethyl-5-aminoisoxazole

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

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, 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 5-Amino-3,4-dimethylisoxazole
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

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

Questions about 5-Amino-3,4-dimethylisoxazole

Which CAS number identifies 5-Amino-3,4-dimethylisoxazole?
5-Amino-3,4-dimethylisoxazole is registered under CAS 19947-75-2. You may also see it listed as 5-Isoxazolamine, 3,4-dimethyl-, 3,4-Dimethylisoxazol-5-ylamine, 3,4-DMAI. Our catalogue number for this item is ZX-043319.
What are the formula and molar mass of 5-Amino-3,4-dimethylisoxazole?
For 5-Amino-3,4-dimethylisoxazole, its formula is C5H8N2O and its molar mass is 112.13 g/mol. The systematic (IUPAC) name is 3,4-dimethyl-1,2-oxazol-5-amine. InChIKey PYNDWPFZDQONDV-UHFFFAOYSA-N lets you match it in any structure database.
How is 5-Amino-3,4-dimethylisoxazole used in pharmaceutical QC?
5-Amino-3,4-dimethylisoxazole is a characterised reference material linked to N methylpyrrolidone. 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 5-Amino-3,4-dimethylisoxazole?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with 5-Amino-3,4-dimethylisoxazole?
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 5-Amino-3,4-dimethylisoxazole to my country?
Yes. Because 5-Amino-3,4-dimethylisoxazole 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.

More N methylpyrrolidone standards

More in API Impurities

Have a list of compounds to price?

Paste up to 200 CAS numbers into Bulk CAS lookup, or send one enquiry for everything in your quote list. We reply with price, lead time and documents.

Compare 0 of 4Compare now