642075-93-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 642075-93-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,4,2,0,7 and 5 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 642075-93:
(8*6)+(7*4)+(6*2)+(5*0)+(4*7)+(3*5)+(2*9)+(1*3)=152
152 % 10 = 2
So 642075-93-2 is a valid CAS Registry Number.