808770-90-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 808770-90-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,0,8,7,7 and 0 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 808770-90:
(8*8)+(7*0)+(6*8)+(5*7)+(4*7)+(3*0)+(2*9)+(1*0)=193
193 % 10 = 3
So 808770-90-3 is a valid CAS Registry Number.