777850-52-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 777850-52-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,7,7,8,5 and 0 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 777850-52:
(8*7)+(7*7)+(6*7)+(5*8)+(4*5)+(3*0)+(2*5)+(1*2)=219
219 % 10 = 9
So 777850-52-9 is a valid CAS Registry Number.