776281-15-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 776281-15-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,7,6,2,8 and 1 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 776281-15:
(8*7)+(7*7)+(6*6)+(5*2)+(4*8)+(3*1)+(2*1)+(1*5)=193
193 % 10 = 3
So 776281-15-3 is a valid CAS Registry Number.