770729-34-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 770729-34-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,7,0,7,2 and 9 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 770729-34:
(8*7)+(7*7)+(6*0)+(5*7)+(4*2)+(3*9)+(2*3)+(1*4)=185
185 % 10 = 5
So 770729-34-5 is a valid CAS Registry Number.