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1572927-00-4

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1572927-00-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1572927-00-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,7,2,9,2 and 7 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1572927-00:
(9*1)+(8*5)+(7*7)+(6*2)+(5*9)+(4*2)+(3*7)+(2*0)+(1*0)=184
184 % 10 = 4
So 1572927-00-4 is a valid CAS Registry Number.

1572927-00-4Downstream Products

1572927-00-4Relevant articles and documents

Oxidation of Alkynyl Boronates to Carboxylic Acids, Esters, and Amides

Li, Chenchen,Li, Ruoling,Zhang, Bing,Zhao, Pei,Zhao, Wanxiang

, p. 10913 - 10917 (2020)

A general efficient protocol was developed for the synthesis of carboxylic acids, esters, and amides through oxidation of alkynyl boronates, generated directly from terminal alkynes. This protocol represents the first example of C(sp)?B bond oxidation. This approach displays a broad substrate scope, including aryl and alkyl alkynes, and exhibits excellent functional group tolerance. Water, primary and secondary alcohols, and amines are suitable nucleophiles for this transformation. Notably, amino acids and peptides can be used as nucleophiles, providing an efficient method for the synthesis and modification of peptides. The practicability of this methodology was further highlighted by the preparation of pharmaceutical molecules.

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