7747-10-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7747-10-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,7,4 and 7 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 7747-10:
(6*7)+(5*7)+(4*4)+(3*7)+(2*1)+(1*0)=116
116 % 10 = 6
So 7747-10-6 is a valid CAS Registry Number.