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butyl methyl acetylenedicarboxylate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

83677-33-2

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83677-33-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 83677-33-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,6,7 and 7 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 83677-33:
(7*8)+(6*3)+(5*6)+(4*7)+(3*7)+(2*3)+(1*3)=162
162 % 10 = 2
So 83677-33-2 is a valid CAS Registry Number.

83677-33-2Downstream Products

83677-33-2Relevant academic research and scientific papers

Preparation of unsymmetrical dialkyl acetylenedicarboxylates and related esters by enzymatic transesterification

Sultan, Nisrine,Thomas, Coralie,Blanco, Luis,Deloisy, Sandrine

, p. 3443 - 3446 (2011)

An unexpected highly selective mono-transesterification of symmetrical acetylenedicarboxylates with various alcohols occurred in the presence of Candida rugosa lipase. This reaction allows an efficient preparation of unsymmetrical acetylenedicarboxylates and related α,β-acetylenic esters.

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