855921-82-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 855921-82-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,5,9,2 and 1 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 855921-82:
(8*8)+(7*5)+(6*5)+(5*9)+(4*2)+(3*1)+(2*8)+(1*2)=203
203 % 10 = 3
So 855921-82-3 is a valid CAS Registry Number.