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Metabolites & Degradation Products

3-Hydroxy-5-methylisoxazole

Reference StandardAvailable on request

Order 3-Hydroxy-5-methylisoxazole (CAS 10004-44-1) online at Zemixal: C4H5NO2, COA and SDS with every lot, worldwide shipping.

Pack sizes
3-Hydroxy-5-methylisoxazole chemical structure
CAS number10004-44-1
FormulaC4H5NO2
Molar mass99.09 g/mol
Physical formSolid
HS code38229090
InChIKeyKGVPNLBXJKTABS-UHFFFAOYSA-N
IUPAC name5-methyl-1,2-oxazol-3-one

About 3-Hydroxy-5-methylisoxazole

Zemixal supplies 3-Hydroxy-5-methylisoxazole within its impurities & Reference Standards portfolio. For your records (Reference Standard), the material is defined by CAS 10004-44-1, formula C4H5NO2 and molar mass 99.09 g/mol. It is handled as a solid.

Typical applications

  • Metabolite identification
  • Stability-indicating methods
  • Impurity profiling
  • Agrochemical formulations

Safe handling

Hazard communication follows GHS (Danger: H302, H317, H318 and H411). Our SDS lists exposure controls and first-aid measures.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. 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.

Typical uses

  • Metabolite identification
  • Stability-indicating methods
  • Impurity profiling
  • Agrochemical formulations

Applications

Specifications and identifiers

Specifications of 3-Hydroxy-5-methylisoxazole
Product name3-Hydroxy-5-methylisoxazole
Catalogue numberZX-034011
CAS number10004-44-1
IUPAC name5-methyl-1,2-oxazol-3-one
Molecular formulaC4H5NO2
Molar mass99.09 g/mol
Exact mass99.032
GradeReference Standard
Physical formSolid
XLogP30.1
H-bond donors / acceptors1 / 2
Topological polar surface area38.3 Ų
HS code38229090
InChIKeyKGVPNLBXJKTABS-UHFFFAOYSA-N
SMILESCC1=CC(=O)NO1
PubChem CID24781
SynonymsHymexazole, Hymexazol, 5-Methylisoxazol-3-ol, 5-Methyl-3-hydroxyisoxazole, 5-methylisoxazol-3-one, RTY-319, 5-methylisoxazol-3(2H)-one, 3(2H)-Isoxazolone, 5-methyl-, 5-Methyl-isoxazol-3-ol, 3-Isoxazolol, 5-methyl-, Hydroxyisoxazole (pesticide), Isoxazole, 3-hydroxy-5-methyl-

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

Safety and GHS hazards

GHS05 Corrosive
Corrosive
GHS07 Irritant or harmful
Irritant or harmful
GHS08 Health hazard
Health hazard
GHS09 Hazardous to the environment
Hazardous to the environment

Signal word Danger

  • H302Harmful if swallowed
  • H317May cause an allergic skin reaction
  • H318Causes serious eye damage
  • H411Toxic to aquatic life with long lasting effects

Precautionary statements P203, P261, P264, P264 + P265, P270, P272, P273, P280, P301 + P317, P302 + P352, P305 + P354 + P338, P317, P318, P321, P330, P333 + P317, P362 + P364, P391, 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 3-Hydroxy-5-methylisoxazole
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 3-Hydroxy-5-methylisoxazole

Which CAS number identifies 3-Hydroxy-5-methylisoxazole?
3-Hydroxy-5-methylisoxazole is registered under CAS 10004-44-1. You may also see it listed as Hymexazole, Hymexazol, 5-Methylisoxazol-3-ol. Our catalogue number for this item is ZX-034011.
What are the formula and molar mass of 3-Hydroxy-5-methylisoxazole?
For 3-Hydroxy-5-methylisoxazole, its formula is C4H5NO2 and its molar mass is 99.09 g/mol. The systematic (IUPAC) name is 5-methyl-1,2-oxazol-3-one. InChIKey KGVPNLBXJKTABS-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for 3-Hydroxy-5-methylisoxazole?
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 3-Hydroxy-5-methylisoxazole?
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 3-Hydroxy-5-methylisoxazole to my country?
Yes. Because 3-Hydroxy-5-methylisoxazole 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.

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