81386-28-9 Usage
Synthesis Reference(s)
Journal of the American Chemical Society, 80, p. 4921, 1958 DOI: 10.1021/ja01551a040
Check Digit Verification of cas no
The CAS Registry Mumber 81386-28-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,3,8 and 6 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 81386-28:
(7*8)+(6*1)+(5*3)+(4*8)+(3*6)+(2*2)+(1*8)=139
139 % 10 = 9
So 81386-28-9 is a valid CAS Registry Number.