83749-62-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83749-62-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,7,4 and 9 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 83749-62:
(7*8)+(6*3)+(5*7)+(4*4)+(3*9)+(2*6)+(1*2)=166
166 % 10 = 6
So 83749-62-6 is a valid CAS Registry Number.