Cas 20167-71-9,5-(4-methyl-anilino)-4-<i>p</i>-tolyl-2,4-dihydro-[1,2,4]triazol-3-one

20167-71-9

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Basic information

Product Name: 5-(4-methyl-anilino)-4-p-tolyl-2,4-dihydro-[1,2,4]triazol-3-one
Synonyms:
CAS NO:20167-71-9
Molecular Formula:
Molecular Weight: 280.329
EINECS: N/A
Product Categories: N/A

Chemical Properties

Melting Point: N/A
Boiling Point: N/A
Flash Point: N/A
Appearance: N/A
Density: N/A
Refractive Index: N/A
Storage Temp.: N/A
Solubility: N/A
CAS DataBase Reference: 5-(4-methyl-anilino)-4-p-tolyl-2,4-dihydro-[1,2,4]triazol-3-one(CAS DataBase Reference)
NIST Chemistry Reference: 5-(4-methyl-anilino)-4-p-tolyl-2,4-dihydro-[1,2,4]triazol-3-one(20167-71-9)
EPA Substance Registry System: 5-(4-methyl-anilino)-4-p-tolyl-2,4-dihydro-[1,2,4]triazol-3-one(20167-71-9)

Safety Data

Hazard Codes: N/A
Statements: N/A
Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 20167-71-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 20167-71-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,1,6 and 7 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 20167-71:
(7*2)+(6*0)+(5*1)+(4*6)+(3*7)+(2*7)+(1*1)=79
79 % 10 = 9
So 20167-71-9 is a valid CAS Registry Number.

20167-71-9Upstream product

112178-80-0 3-p-tolyl-4-(p-tolylimino)-1,3-thiazetidin-2-one

20167-71-9Downstream Products

20167-71-9Relevant academic research and scientific papers

Novel synthesis of 2,4-dihydro-5-amino[1,2,4]triazol-3-ones from 1,3-disubstituted thioureas

Jin, Can,Liu, Chuangwei,Su, Weike

scheme or table, p. 607 - 610 (2009/07/01)

A facile two-step synthesis of 2,4-dihydro-5-amino-[1,2,4]triazol-3-ones is described. Firstly, 1,3-disubstituted thioureas reacted with bis(trichloromethyl) carbonate (BTC) in the presence of a base such as NaHCO3 to form the intermediate 4-(a

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