683277-82-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 683277-82-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,3,2,7 and 7 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 683277-82:
(8*6)+(7*8)+(6*3)+(5*2)+(4*7)+(3*7)+(2*8)+(1*2)=199
199 % 10 = 9
So 683277-82-9 is a valid CAS Registry Number.