623588-80-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 623588-80-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,2,3,5,8 and 8 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 623588-80:
(8*6)+(7*2)+(6*3)+(5*5)+(4*8)+(3*8)+(2*8)+(1*0)=177
177 % 10 = 7
So 623588-80-7 is a valid CAS Registry Number.