215922-41-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 215922-41-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,5,9,2 and 2 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 215922-41:
(8*2)+(7*1)+(6*5)+(5*9)+(4*2)+(3*2)+(2*4)+(1*1)=121
121 % 10 = 1
So 215922-41-1 is a valid CAS Registry Number.