H3275
3-Hydroxy-5-methylisoxazole
≥90%
Synonym(s):
Hymexazol
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About This Item
Empirical Formula (Hill Notation):
C4H5NO2
CAS Number:
Molecular Weight:
99.09
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352100
EC Number:
233-000-6
MDL number:
Product Name
3-Hydroxy-5-methylisoxazole, ≥90%
InChI
1S/C4H5NO2/c1-3-2-4(6)5-7-3/h2H,1H3,(H,5,6)
InChI key
KGVPNLBXJKTABS-UHFFFAOYSA-N
SMILES string
CC1=CC(=O)NO1
assay
≥90%
storage temp.
2-8°C
Quality Level
Application
3-Hydroxy-5-methylisoxazole can be used as a reactant to synthesize:
- 3-Oxoisoxazole-2(3H)-carboxamides by reacting with dimethyl-carbamoyl chloride in the presence of potassium t-butoxide.
- Hydroxymethyl-2-propen-1-yl-5-methyl-3(2H)-isoxazolone via ring-opening reaction with vinyl oxirane.
General description
3-Hydroxy-5-methylisoxazole, also known as Hymexazol, is a hydrophilic organic molecule containing both a hydroxy group and a nitrogen atom, which enable it to act as a co-hydrogelator with other components to form self-delivery supramolecular hydrogels.
signalword
Danger
Hazard Classifications
Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Dam. 1 - Repr. 2 - Skin Sens. 1
Storage Class
11 - Combustible Solids
wgk
WGK 3
ppe
dust mask type N95 (US), Eyeshields, Gloves
Regulatory Information
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[An experimental study of carcinogenic activity of bucide and its effects on the reproductive function].
L V Martson' et al.
Gigiena i sanitariia, (4)(4), 53-55 (1991-04-01)
Yongmei Fan et al.
Pesticide biochemistry and physiology, 147, 139-144 (2018-06-24)
Hymexazol is an efficacious and widely used fungicide. However, its environmental toxicological assessment has not been well documented. It had no report of its toxicity to fish embryo. Fish embryo acute toxicity tests are highly predictive of aquatic embryotoxicity outcome.
Qiang Zhang et al.
Journal of agricultural and food chemistry, 62(45), 10962-10969 (2014-10-29)
Bioassay-guided fractionation of the fermentation extract of Xylaria sp. XC-16, an endophyte from Toona sinensis led to the isolation of two new cytochalasans cytochalasin Z27, 1, and cytochalasin Z28, 2, along with three known compounds seco-cytochalasin E, 3, and cytochalasin
Yu-Qi Gao et al.
Journal of agricultural and food chemistry, 68(8), 2418-2425 (2020-02-06)
Two biosynthetically related new metabolites, eucalyptacid A (1) and eucalactam B (2), along with six known compounds (3-8), eugenitol (3), cytosporone C (4), 4-hydroxyphenethyl alcohol (5), 1-(4-hydroxyphenyl)ethane-1,2-diol (6), N-(2-hydroxy-2-phenylethyl)acetamide (7), and phomopene (8), were isolated from the solid rice cultures
Ian Mangion et al.
Organic letters, 11(15), 3258-3260 (2009-07-11)
Hydrazines and hydroxylamines have been found to be excellent nucleophiles for the palladium-catalyzed dynamic asymmetric allylic amination of vinyl epoxide, with good yields and enantioselectivities of up to 97% ee. This method is applicable to acyclic and heterocyclic amines and
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