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42399-86-0

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42399-86-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 42399-86-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,3,9 and 9 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 42399-86:
(7*4)+(6*2)+(5*3)+(4*9)+(3*9)+(2*8)+(1*6)=140
140 % 10 = 0
So 42399-86-0 is a valid CAS Registry Number.

42399-86-0SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 15, 2017

Revision Date: Aug 15, 2017

1.Identification

1.1 GHS Product identifier

Product name 7-methyl-1,2,4-triazolo(1,5-a)-pyrimidine

1.2 Other means of identification

Product number -
Other names 5-methyl-1,2,4-triazolo{1,5-a}pyrimidine

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:42399-86-0 SDS

42399-86-0Downstream Products

42399-86-0Relevant articles and documents

An Unequivocal Synthesis of Some Substituted 1,2,4-TriazoloPyrimidines

Stanovnik, Branko,Urleb, Uros,Tisler, Miha

, p. 601 - 606 (2007/10/02)

An unequivocal synthesis of 5-chloro-7-methyl- (8) and 7-methyl-1,2,4-triazolopyrimidine (10) from 2-amino-4-chloro-6-methylpyrimidine (5) through the corresponding amidine 6 and formamide oxime 7 was developed.It was unambigously shown by comparison of the chemical shifts and the magnitude of coupling constants that the compounds obtained by condensation of 3-amino-1,2,4-triazole (12) and ethyl acetoacetate (13) and some further transformations are isomeric 5-methyl substituted 1,2,4-triazolopyrimidines 1, 9, and 11. - Keywords: 1,2,4-Triazolopyrimidines; Cyclization with N-N bond formation; Structure determination by NMR

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