855921-15-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 855921-15-2 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, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 855921-15:
(8*8)+(7*5)+(6*5)+(5*9)+(4*2)+(3*1)+(2*1)+(1*5)=192
192 % 10 = 2
So 855921-15-2 is a valid CAS Registry Number.