77049-63-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77049-63-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,0,4 and 9 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 77049-63:
(7*7)+(6*7)+(5*0)+(4*4)+(3*9)+(2*6)+(1*3)=149
149 % 10 = 9
So 77049-63-9 is a valid CAS Registry Number.