93801-63-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 93801-63-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,8,0 and 1 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 93801-63:
(7*9)+(6*3)+(5*8)+(4*0)+(3*1)+(2*6)+(1*3)=139
139 % 10 = 9
So 93801-63-9 is a valid CAS Registry Number.