1201798-83-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1201798-83-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,1,7,9 and 8 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1201798-83:
(9*1)+(8*2)+(7*0)+(6*1)+(5*7)+(4*9)+(3*8)+(2*8)+(1*3)=145
145 % 10 = 5
So 1201798-83-5 is a valid CAS Registry Number.