415919-94-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 415919-94-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,1,5,9,1 and 9 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 415919-94:
(8*4)+(7*1)+(6*5)+(5*9)+(4*1)+(3*9)+(2*9)+(1*4)=167
167 % 10 = 7
So 415919-94-7 is a valid CAS Registry Number.