770658-12-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 770658-12-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,7,0,6,5 and 8 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 770658-12:
(8*7)+(7*7)+(6*0)+(5*6)+(4*5)+(3*8)+(2*1)+(1*2)=183
183 % 10 = 3
So 770658-12-3 is a valid CAS Registry Number.