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5-Chloromethyl-2H-1,2,4-triazolin-3-one

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5-Chloromethyl-2H-1,2,4-triazolin-3-one Basic information

Product Name:
5-Chloromethyl-2H-1,2,4-triazolin-3-one
Synonyms:
  • 5-CHLOROMETHYL-2,4-DIHYDRO-[1,2,4]TRIAZOL-3-ONE
  • 3-Chloromethyl-1,2,4-triazol-5-one
  • 3-Chloromethyl-1,2,4-triazolin-5-one
  • 3-(chloromethyl)-1H-1,2,4-triazol-5(4H)-one
  • 3-(chloroMethyl)-4,5-dihydro-1H-1,2,4-triazol-5-one
  • 5-(CHLOORMETHYL)-1,2-DIHYDRO-3H-1,2,4-TRIAZOOL-3-ON
  • 5-Chloromethyl-2,4-Dithydro-[1,2,4]Triazol-3-One
  • Aprepitant Impurity 51
CAS:
252742-72-6
MF:
C3H4ClN3O
MW:
133.54
EINECS:
607-678-2
Product Categories:
  • pharmacetical
Mol File:
252742-72-6.mol
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5-Chloromethyl-2H-1,2,4-triazolin-3-one Chemical Properties

Melting point:
199°C(lit.)
Density 
1.83±0.1 g/cm3(Predicted)
storage temp. 
Keep in dark place,Sealed in dry,Room Temperature
solubility 
soluble in Methanol
form 
powder to crystal
pka
7.46±0.20(Predicted)
color 
White to Almost white
CAS DataBase Reference
252742-72-6
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Safety Information

RIDADR 
UN 3261 8/PG II
HazardClass 
8
PackingGroup 
II
HS Code 
2914390090
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5-Chloromethyl-2H-1,2,4-triazolin-3-one Usage And Synthesis

Chemical Properties

White to Almost white powder to crystal

Uses

5-Chloromethyl-2H-1,2,4-triazolin-3-one is an intermediate used in the synthesis of Aprepitant (A729800) and Fosaprepitant, used as antiemetic drugs.

Application

3-Chloromethyl-1,2,4-triazolin-5-one is an intermediate in organic synthesis and pharmaceutical intermediate, which can be used in laboratory R&D synthesis process and chemical biological R&D process.

Hazard

5-Chloromethyl-2H-1,2,4-triazolin-3-one is a hazardous chemical that is corrosive to metals, irritating to the eyes and skin, and may cause respiratory irritation.

5-Chloromethyl-2H-1,2,4-triazolin-3-oneSupplier

Alchemist-pharm chemical Technology Co. Ltd. Gold
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0371-67991738 13783628208
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carl@alchemist-pharm.com
Viwit Pharmaceutical Co., Ltd. Gold
Tel
0632-0632-2980981 15063270987
Email
service.china3@viwit.com
Enantiotech Corporation Ltd Gold
Tel
760-85282375 13212762451
Email
marketing@enantiotech.net
Chongqing Richem Biotechnology Co., Ltd. Gold
Tel
13983114937
Email
Qiyuanhong_rich@163.com
J & K SCIENTIFIC LTD.
Tel
010-82848833 400-666-7788
Email
jkinfo@jkchemical.com
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