81215-48-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81215-48-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,2,1 and 5 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 81215-48:
(7*8)+(6*1)+(5*2)+(4*1)+(3*5)+(2*4)+(1*8)=107
107 % 10 = 7
So 81215-48-7 is a valid CAS Registry Number.