215648-26-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 215648-26-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,5,6,4 and 8 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 215648-26:
(8*2)+(7*1)+(6*5)+(5*6)+(4*4)+(3*8)+(2*2)+(1*6)=133
133 % 10 = 3
So 215648-26-3 is a valid CAS Registry Number.