81830-41-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81830-41-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,8,3 and 0 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 81830-41:
(7*8)+(6*1)+(5*8)+(4*3)+(3*0)+(2*4)+(1*1)=123
123 % 10 = 3
So 81830-41-3 is a valid CAS Registry Number.
81830-41-3Relevant articles and documents
Synthesis of Nuclear Monobromobenzanthracenes
Newman, Melvin S.,Hussain, N. Shoukath
, p. 2837 - 2840 (1982)
The syntheses of 2-bromo-, 5-bromo-, 10-bromo-, and 11-bromo-7-methylbenzanthracenes, of 5-bromo- and 7-bromo-12-methylbenzanthracenes, and 4-bromo- and 9-bromo-7,12-dimethylbenzanthracenes are described.Bromination of 12-methylbenzanthracene