847869-82-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 847869-82-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,7,8,6 and 9 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 847869-82:
(8*8)+(7*4)+(6*7)+(5*8)+(4*6)+(3*9)+(2*8)+(1*2)=243
243 % 10 = 3
So 847869-82-3 is a valid CAS Registry Number.
847869-82-3Relevant articles and documents
Synthesis of 2-alkyl-5-nitrobenzofurans via 2-(2-formyl-4-nitrophenoxy) alkanoic acids
Kwiecien
, p. 1865 - 1869 (2007/10/03)
An efficient synthesis of 2-alkyl-5-nitrobenzofurans from 5-nitrosalicylaldehyde and 2-bromoesters via 2-(2-formyl-4-nitrophenoxy)alkanoic acids is described.
