Cas 1220106-31-9,C15H13N3O3

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Check Digit Verification of cas no

The CAS Registry Mumber 1220106-31-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,0,1,0 and 6 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1220106-31:
(9*1)+(8*2)+(7*2)+(6*0)+(5*1)+(4*0)+(3*6)+(2*3)+(1*1)=69
69 % 10 = 9
So 1220106-31-9 is a valid CAS Registry Number.

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1220106-31-9Relevant academic research and scientific papers

A convenient synthesis of 1,5-diarylpyrazoles from Baylis-Hillman adducts using HY-zeolite

Nikpassand, Mohammad,Mamaghani, Manouchehr,Zanjanchi, Mohammad Ali,Mahmoodi, Nosrat Olah,Mirzaeinejad, Massomeh

, p. 5 - 8 (2010)

A facile and convenient protocol was developed for the synthesis of 1,5-diarylpyrazoles using Baylis-Hillman adducts in the presence of HY-zeolite as an efficient recyclable heterogeneous catalyst in reasonable reaction times (1.5-2.5 h) and high yields (78-90%).

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