223750-55-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 223750-55-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,3,7,5 and 0 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 223750-55:
(8*2)+(7*2)+(6*3)+(5*7)+(4*5)+(3*0)+(2*5)+(1*5)=118
118 % 10 = 8
So 223750-55-8 is a valid CAS Registry Number.