923554-18-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 923554-18-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,2,3,5,5 and 4 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 923554-18:
(8*9)+(7*2)+(6*3)+(5*5)+(4*5)+(3*4)+(2*1)+(1*8)=171
171 % 10 = 1
So 923554-18-1 is a valid CAS Registry Number.