15822-56-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 15822-56-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,8,2 and 2 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 15822-56:
(7*1)+(6*5)+(5*8)+(4*2)+(3*2)+(2*5)+(1*6)=107
107 % 10 = 7
So 15822-56-7 is a valid CAS Registry Number.