243472-78-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 243472-78-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,4,3,4,7 and 2 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 243472-78:
(8*2)+(7*4)+(6*3)+(5*4)+(4*7)+(3*2)+(2*7)+(1*8)=138
138 % 10 = 8
So 243472-78-8 is a valid CAS Registry Number.
243472-78-8Relevant articles and documents
Studies on pyrazines. 35 [1]. An improved synthesis of bromopyrazines from hydroxypyrazines
Sato, Nobuhiro,Narita, Nobuhiko
, p. 783 - 786 (2007/10/03)
The synthesis of bromopyrazines from hydroxypyrazines was successfully effected by the procedure via trimethylsilyloxypyrazines, the sequence of which proceeds under mild conditions and does not require the isolation of intermediate.
