773874-85-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 773874-85-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,7,3,8,7 and 4 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 773874-85:
(8*7)+(7*7)+(6*3)+(5*8)+(4*7)+(3*4)+(2*8)+(1*5)=224
224 % 10 = 4
So 773874-85-4 is a valid CAS Registry Number.