14232-87-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 14232-87-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,4,2,3 and 2 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 14232-87:
(7*1)+(6*4)+(5*2)+(4*3)+(3*2)+(2*8)+(1*7)=82
82 % 10 = 2
So 14232-87-2 is a valid CAS Registry Number.
14232-87-2Relevant articles and documents
β,β-Dinitrostyrenes in reactions with cyclohexane-1,3-diones
Trukhin,Sheremet,Berestovitskaya
, p. 2035 - 2038 (2011/01/10)
The Michael-type addition of dimedone and dihydroresorcinol to β,β-dinitrostyrenes occurs easily without a catalyst. The adducts cyclize into 3-aryl-2-nitro-2,3,4,5,6-hexahydrobenzofuran-4-ones under the action of triethylamine.
