82766-05-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 82766-05-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,7,6 and 6 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 82766-05:
(7*8)+(6*2)+(5*7)+(4*6)+(3*6)+(2*0)+(1*5)=150
150 % 10 = 0
So 82766-05-0 is a valid CAS Registry Number.
82766-05-0Relevant articles and documents
Bromination of 1-(4-nitrophenyl)-2-formylpyrrole
Baum,Belen'kii,Kul'nevich,Goldovskaya
, p. 499 - 502 (1982)
Depending on the amount of bromine, the bromination of 1-(4-nitrophenyl)-2-formylpyrrole with bromine in chloroform without a catalyst gives 5-bromo and 4,5-dibromo derivatives. 4-Bromo-1-(4-nitrophenyl)-2-formylpyrrole is formed in the presence of excess