7626-79-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7626-79-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,6,2 and 6 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 7626-79:
(6*7)+(5*6)+(4*2)+(3*6)+(2*7)+(1*9)=121
121 % 10 = 1
So 7626-79-1 is a valid CAS Registry Number.