791770-71-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 791770-71-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,9,1,7,7 and 0 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 791770-71:
(8*7)+(7*9)+(6*1)+(5*7)+(4*7)+(3*0)+(2*7)+(1*1)=203
203 % 10 = 3
So 791770-71-3 is a valid CAS Registry Number.