917783-63-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 917783-63-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,7,7,8 and 3 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 917783-63:
(8*9)+(7*1)+(6*7)+(5*7)+(4*8)+(3*3)+(2*6)+(1*3)=212
212 % 10 = 2
So 917783-63-2 is a valid CAS Registry Number.