30649-87-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 30649-87-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,0,6,4 and 9 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 30649-87:
(7*3)+(6*0)+(5*6)+(4*4)+(3*9)+(2*8)+(1*7)=117
117 % 10 = 7
So 30649-87-7 is a valid CAS Registry Number.