15222-98-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 15222-98-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,2,2 and 2 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 15222-98:
(7*1)+(6*5)+(5*2)+(4*2)+(3*2)+(2*9)+(1*8)=87
87 % 10 = 7
So 15222-98-7 is a valid CAS Registry Number.