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114423-64-2

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114423-64-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 114423-64-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,4,4,2 and 3 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 114423-64:
(8*1)+(7*1)+(6*4)+(5*4)+(4*2)+(3*3)+(2*6)+(1*4)=92
92 % 10 = 2
So 114423-64-2 is a valid CAS Registry Number.

114423-64-2Relevant articles and documents

Synthesis of a Model Hapten with Cyclohexanediol and &α-Methylene-&γ-butyrolactone Groups, a Synthetic Analogue of Poison Ivy and Tulipalin Allergens Connected with a Carbon Chain

Mattes, Henri,Benezra, Claude

, p. 2732 - 2737 (2007/10/02)

Potential skin sensitizers 1 and 1* with two different haptenic ends, (a) a cyclohexanediol group (saturated poison ivy analogue ) and (b) an α-methylene-γ-butyrolactone moiety (tulipalin A), separated by a nine carbon atoms chain containing a double bond have been prepared.The trans, trans relationship in the substituted cyclohexanediol was secured by a tandem Michael addition-hydroboration reaction.Contrary to an earlier example of a double-headed hapten containing pyrocatechol and α-methylene-γ-butyrolactone ends, the cyclohexanediol-α-methylene-γ-butyrolactone does not show any tolerance induction to the α-methylene-γ-butyrolactone end.It therefore seems that induction of tolerance as well as sensitization requires the formation of covalent bond with a protein carrier.

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