1649447-75-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1649447-75-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,4,9,4,4 and 7 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1649447-75:
(9*1)+(8*6)+(7*4)+(6*9)+(5*4)+(4*4)+(3*7)+(2*7)+(1*5)=215
215 % 10 = 5
So 1649447-75-5 is a valid CAS Registry Number.