623582-56-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 623582-56-9 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 2 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 623582-56:
(8*6)+(7*2)+(6*3)+(5*5)+(4*8)+(3*2)+(2*5)+(1*6)=159
159 % 10 = 9
So 623582-56-9 is a valid CAS Registry Number.