603944-63-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 603944-63-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,0,3,9,4 and 4 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 603944-63:
(8*6)+(7*0)+(6*3)+(5*9)+(4*4)+(3*4)+(2*6)+(1*3)=154
154 % 10 = 4
So 603944-63-4 is a valid CAS Registry Number.
603944-63-4Relevant articles and documents
Synthesis of pseudoiridolactones
Guerrab, Zineb,Daou, Boujemaa,Fkih-Tetouani, Souad,Ahmar, Mohammed,Cazes, Bernard
, p. 3367 - 3379 (2007/10/03)
Bicyclic δ-lactones with a carbon group at the bicyclic junction C-7a, designed as pseudoiridolactones, were synthesized from α-alkyl-α-hydroxymethylcyclopentanones via an intramolecular Horner-Wadsworth-Emmons reaction.
