1704074-05-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1704074-05-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,7,0,4,0,7 and 4 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1704074-05:
(9*1)+(8*7)+(7*0)+(6*4)+(5*0)+(4*7)+(3*4)+(2*0)+(1*5)=134
134 % 10 = 4
So 1704074-05-4 is a valid CAS Registry Number.