923930-98-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 923930-98-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,2,3,9,3 and 0 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 923930-98:
(8*9)+(7*2)+(6*3)+(5*9)+(4*3)+(3*0)+(2*9)+(1*8)=187
187 % 10 = 7
So 923930-98-7 is a valid CAS Registry Number.