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1,3,4,2-Oxadiazaphosphole, 2-chloro-5-ethyl-2,3-dihydro-3-phenyl- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

19525-45-2

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19525-45-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 19525-45-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,5,2 and 5 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 19525-45:
(7*1)+(6*9)+(5*5)+(4*2)+(3*5)+(2*4)+(1*5)=122
122 % 10 = 2
So 19525-45-2 is a valid CAS Registry Number.

19525-45-2Relevant academic research and scientific papers

A Convenient Synthesis of Amides with 2-Halo-2,3-dihydro-1,3,4,2-oxadiazaphospholes as a New Condensing Agents

Kimura, Hiroshi,Konno, Hidetoshi,Takahashi, Naomichi

, p. 327 - 329 (1993)

Various amides, including some with bulky substituents, are prepared in good yields from free carboxylic acids and amines under mild conditions by a one-step method using new condensing agents 2-halo-2,3-dihydro-1,3,4,2-oxadiazaphospholes, especially 5-methyl-2-chloro-3-phenyl-2,3-dihydro-1,3,4,2-oxadiazaphosphole.

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