90945-80-5 Usage
Synthesis Reference(s)
Canadian Journal of Chemistry, 43, p. 337, 1965 DOI: 10.1139/v65-045
Check Digit Verification of cas no
The CAS Registry Mumber 90945-80-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,9,4 and 5 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 90945-80:
(7*9)+(6*0)+(5*9)+(4*4)+(3*5)+(2*8)+(1*0)=155
155 % 10 = 5
So 90945-80-5 is a valid CAS Registry Number.