1202447-76-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1202447-76-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,2,4,4 and 7 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1202447-76:
(9*1)+(8*2)+(7*0)+(6*2)+(5*4)+(4*4)+(3*7)+(2*7)+(1*6)=114
114 % 10 = 4
So 1202447-76-4 is a valid CAS Registry Number.
1202447-76-4Relevant articles and documents
Facile method for conversion of 2-(Chloroseleno)benzoyl chloride into 2-substituted 3-hydroxybenzo[b]selenophenes
Lisiak, Rafal,Mochowski, Jacek
, p. 4271 - 4281 (2009)
The easily accessible 2-(chloroseleno)benzoyl chloride has broad application in the synthesis of benzizoselenazol-3(2H)-ones and benzo[b]selenophen-3(2H)-ones. Treatment of 2-acylbenzo[b]selenophen-3(2H)-ones with nitrogen nucleophiles such as hydrazines
