Cas 19016-52-5,2-anilino-5-methyl-3-phenyl-Δ<sup>4</sup>-1,3,4,2-oxadiazaphospholine

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Check Digit Verification of cas no

The CAS Registry Mumber 19016-52-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,0,1 and 6 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 19016-52:
(7*1)+(6*9)+(5*0)+(4*1)+(3*6)+(2*5)+(1*2)=95
95 % 10 = 5
So 19016-52-5 is a valid CAS Registry Number.

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19016-52-5Relevant 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 (2007/10/02)

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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