Cas 802983-89-7,Pyrazolo[1,5-a]pyrimidine, 7-(4-chlorophenyl)-5-methyl-2-phenyl-

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Check Digit Verification of cas no

The CAS Registry Mumber 802983-89-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,0,2,9,8 and 3 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 802983-89:
(8*8)+(7*0)+(6*2)+(5*9)+(4*8)+(3*3)+(2*8)+(1*9)=187
187 % 10 = 7
So 802983-89-7 is a valid CAS Registry Number.

802983-89-7Upstream product

802983-89-7Downstream Products

802983-93-3 7-(4-chloro-phenyl)-3-iodo-5-methyl-2-phenyl-pyrazolo[1,5-a]pyrimidine

802983-89-7Relevant academic research and scientific papers

Convenient synthesis of substituted 3-alkenylpyrazolo[1,5-a]pyrimidines via Heck cross-coupling reaction

Yin, Lunxiang,Liebscher, Juergen

, p. 2329 - 2334 (2004)

3-Iodopyrazolo[1,5-a]pyrimidines 3 were easily obtained by direct iodination of pyrazolo[1,5-a]pyrimidines 2 with NIS and could be transformed into a series of new substituted 3-alkenyl-pyrazolo[1,5-a]pyrimidines 5 by Heck cross-coupling.

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