855383-99-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 855383-99-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,5,3,8 and 3 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 855383-99:
(8*8)+(7*5)+(6*5)+(5*3)+(4*8)+(3*3)+(2*9)+(1*9)=212
212 % 10 = 2
So 855383-99-2 is a valid CAS Registry Number.