919201-83-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 919201-83-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,9,2,0 and 1 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 919201-83:
(8*9)+(7*1)+(6*9)+(5*2)+(4*0)+(3*1)+(2*8)+(1*3)=165
165 % 10 = 5
So 919201-83-5 is a valid CAS Registry Number.