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148342-49-8

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148342-49-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 148342-49-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,8,3,4 and 2 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 148342-49:
(8*1)+(7*4)+(6*8)+(5*3)+(4*4)+(3*2)+(2*4)+(1*9)=138
138 % 10 = 8
So 148342-49-8 is a valid CAS Registry Number.

148342-49-8Relevant articles and documents

Unique zeolite-catalyzed synthesis of nitroketene S,N-acetals

Indrasena Reddy,Bhawal, Baburao M.,Rajappa, Srinivasachari

, p. 2101 - 2108 (1993)

Dimethyl carbonimidodithioates (4a-g, 7a-c) derived from various primary amines and amino acid esters [glycine, (L)-alanine and (L)-phenylalanine] have been condensed with nitromethane in the presence of the rare-earth exchanged zeolite RE(70%)Na Y to give the S,N-acetals (5a-g, 8a-c). Mercuric chloride catalyzed hydrolysis of these (8a-c) has led to the nitroacetyl derivatives (9a-c). The glycine derivative (7a) gives a dimeric product (11) when heated alone with the zeolite.

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