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15626-54-7

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15626-54-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 15626-54-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,6,2 and 6 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 15626-54:
(7*1)+(6*5)+(5*6)+(4*2)+(3*6)+(2*5)+(1*4)=107
107 % 10 = 7
So 15626-54-7 is a valid CAS Registry Number.

15626-54-7Relevant articles and documents

Polymer-bound diazonium salts for the synthesis of diazoacetic esters

Schroen, Maarten,Br?se, Stefan

, p. 12186 - 12192 (2005)

Starting from Merrifield resin, various polymer-bound diazonium salts were prepared. Upon treatment with amino acid esters, resulting the appropriate triazenes, the corresponding diazoacetic esters were formed by basic cleavage. Scope and limitation of th

Practical Application of the Aqueous 'Sulfonyl-Azide-Free' (SAFE) Diazo Transfer Protocol to Less α-C-H Acidic Ketones and Esters

Dar'In, Dmitry,Kantin, Grigory,Krasavin, Mikhail

, p. 4284 - 4290 (2019/11/14)

The earlier described 'sulfonyl-Azide-free' ('SAFE') protocol for diazo transfer to CH-Acidic 1,3-dicarbonyl compounds (and their similarly activated congeners) has been extended to the less reactive monocarbonyl substrates, which previously required a se

Method for synthesizing alpha-diazoesters compound by using microwave at normal pressure

-

Paragraph 0071-0073, (2018/11/22)

The invention discloses a method for synthesizing an alpha-diazoesters compound by using microwave at normal pressure. An esters compound and P-toluenesulfonyl azide are used as initial raw materials,1,8-diazabicyclo[5.4.0]undec-7-ene(DBU) is used as a catalyst, the alpha-diazoesters compound can be generated in 30 minutes by virtue of a diazo transfer reaction under a microwave assisting heating condition, and the alpha-diazoesters compound can further generate a functional product. The organic reaction rate of the method is multiple times faster than the traditional heating method, the reaction efficiency is high, the operation is simple and convenient, the synthetic reaction condition is mild, the product type is rich, and the functional group is diversified.

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