949980-56-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 949980-56-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,9,9,8 and 0 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 949980-56:
(8*9)+(7*4)+(6*9)+(5*9)+(4*8)+(3*0)+(2*5)+(1*6)=247
247 % 10 = 7
So 949980-56-7 is a valid CAS Registry Number.