7652-26-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7652-26-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,6,5 and 2 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 7652-26:
(6*7)+(5*6)+(4*5)+(3*2)+(2*2)+(1*6)=108
108 % 10 = 8
So 7652-26-8 is a valid CAS Registry Number.