22693-29-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22693-29-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,6,9 and 3 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 22693-29:
(7*2)+(6*2)+(5*6)+(4*9)+(3*3)+(2*2)+(1*9)=114
114 % 10 = 4
So 22693-29-4 is a valid CAS Registry Number.