913645-83-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 913645-83-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,3,6,4 and 5 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 913645-83:
(8*9)+(7*1)+(6*3)+(5*6)+(4*4)+(3*5)+(2*8)+(1*3)=177
177 % 10 = 7
So 913645-83-7 is a valid CAS Registry Number.