223748-88-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 223748-88-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,3,7,4 and 8 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 223748-88:
(8*2)+(7*2)+(6*3)+(5*7)+(4*4)+(3*8)+(2*8)+(1*8)=147
147 % 10 = 7
So 223748-88-7 is a valid CAS Registry Number.