77134-22-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77134-22-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,1,3 and 4 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 77134-22:
(7*7)+(6*7)+(5*1)+(4*3)+(3*4)+(2*2)+(1*2)=126
126 % 10 = 6
So 77134-22-6 is a valid CAS Registry Number.
77134-22-6Relevant articles and documents
Triazolopyridines. Part 2. Preparation of 7-Substituted Triazolopyridines by Directed Lithiation
Jones, Gurnos,Sliskovic, D. Robert
, p. 967 - 972 (2007/10/02)
The lithiation reactions of 1,2,3-triazolopyridine (1) to give the 7-lithio-derivative (4; R = Li), and of its 7-methyl derivative (16) to give the 7-lithiomethyl compound, are described.These lithium derivatives react with electrophiles, notably a
