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344441-67-4

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344441-67-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 344441-67-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,4,4,4 and 1 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 344441-67:
(8*3)+(7*4)+(6*4)+(5*4)+(4*4)+(3*1)+(2*6)+(1*7)=134
134 % 10 = 4
So 344441-67-4 is a valid CAS Registry Number.

344441-67-4Downstream Products

344441-67-4Relevant articles and documents

Regioselective Lewis Acid-mediated α-sec-Alkylation of Carbonyl Compounds

Reetz, Manfred T.,Walz, Peter,Huebner, Friedhelm,Huettenhain, Stefan H.,Heimbach, Horst,Schwellnus, Konrad

, p. 322 - 335 (2007/10/02)

Carbonyl compounds such as ketones, aldehydes, acyloins, or carboxylic esters can be alkylated at the α-position via the corresponding O-silylated forms using activated alkyl halides or acetates in the presence of Lewis acids.In the case of unsymmetricall

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