1704082-15-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1704082-15-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,7,0,4,0,8 and 2 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1704082-15:
(9*1)+(8*7)+(7*0)+(6*4)+(5*0)+(4*8)+(3*2)+(2*1)+(1*5)=134
134 % 10 = 4
So 1704082-15-4 is a valid CAS Registry Number.