319491-85-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 319491-85-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,9,4,9 and 1 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 319491-85:
(8*3)+(7*1)+(6*9)+(5*4)+(4*9)+(3*1)+(2*8)+(1*5)=165
165 % 10 = 5
So 319491-85-5 is a valid CAS Registry Number.