632301-42-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 632301-42-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,2,3,0 and 1 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 632301-42:
(8*6)+(7*3)+(6*2)+(5*3)+(4*0)+(3*1)+(2*4)+(1*2)=109
109 % 10 = 9
So 632301-42-9 is a valid CAS Registry Number.