383133-97-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 383133-97-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,8,3,1,3 and 3 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 383133-97:
(8*3)+(7*8)+(6*3)+(5*1)+(4*3)+(3*3)+(2*9)+(1*7)=149
149 % 10 = 9
So 383133-97-9 is a valid CAS Registry Number.