1706446-28-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1706446-28-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,7,0,6,4,4 and 6 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1706446-28:
(9*1)+(8*7)+(7*0)+(6*6)+(5*4)+(4*4)+(3*6)+(2*2)+(1*8)=167
167 % 10 = 7
So 1706446-28-7 is a valid CAS Registry Number.