76721-48-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 76721-48-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,7,2 and 1 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 76721-48:
(7*7)+(6*6)+(5*7)+(4*2)+(3*1)+(2*4)+(1*8)=147
147 % 10 = 7
So 76721-48-7 is a valid CAS Registry Number.