770737-83-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 770737-83-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,7,0,7,3 and 7 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 770737-83:
(8*7)+(7*7)+(6*0)+(5*7)+(4*3)+(3*7)+(2*8)+(1*3)=192
192 % 10 = 2
So 770737-83-2 is a valid CAS Registry Number.