215298-72-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 215298-72-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,5,2,9 and 8 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 215298-72:
(8*2)+(7*1)+(6*5)+(5*2)+(4*9)+(3*8)+(2*7)+(1*2)=139
139 % 10 = 9
So 215298-72-9 is a valid CAS Registry Number.