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103112-02-3

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103112-02-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 103112-02-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,1,1 and 2 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 103112-02:
(8*1)+(7*0)+(6*3)+(5*1)+(4*1)+(3*2)+(2*0)+(1*2)=43
43 % 10 = 3
So 103112-02-3 is a valid CAS Registry Number.

103112-02-3Downstream Products

103112-02-3Relevant articles and documents

Electrochemical Studies on β-Lactams. Part 1. Electroreduction of 3-Halogeno-β-lactams

Casadei, Maria Antonietta,Moracci, Franco Micheletti,Inesi, Achille

, p. 419 - 424 (2007/10/02)

The electrochemical reduction in aprotic solvents of 3-halogeno-β-lactams (1a-c) and (2a-c), with or without added proton donors or/and electrophiles, has been investigated.Without added substrates, the carbanion arising from the cleavage of the carbon-halogen bond undergoes protonation (mainly from the 'parent'molecule) and, completely, ring-opening reactions yielding the corresponding dehalogenated β-lactam and α,β-unsaturated amide.In the presence of proton donors (CH3CO2H) or electrophiles (CO2), the protonation and coupling reactions, respectively, become largely predominant, and the dehalogenated or carboxylated β-lactams are the main products.In the presence of BrCH2CH2CN the protonation reaction is preferred, and the dehalogenated β-lactam predominates over the substitution product.The high yields of 3-carboxy-β-lactams, a class of compounds not easily accessible by chemical methods, are noteworthy from a synthetic point of view.

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