137555-63-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 137555-63-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,5,5 and 5 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 137555-63:
(8*1)+(7*3)+(6*7)+(5*5)+(4*5)+(3*5)+(2*6)+(1*3)=146
146 % 10 = 6
So 137555-63-6 is a valid CAS Registry Number.
137555-63-6Relevant articles and documents
An approach to 1-aryl-1,2,4-triazoles
Buzykin,Bredikhina
, p. 59 - 61 (2007/10/02)
A series of different 1,3,5-trisubstituted 1,2,4-triazoles 9 have been readily prepared by simple oxidation of corresponding N-alkylamide arylhydrazones (amidrazones) 5 with hydrogen peroxide or potassium permanganate.