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2-(2-hydroxyethyl)-5-methyl-1-tosylpyrazole-3-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

212247-77-3

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212247-77-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 212247-77-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,2,2,4 and 7 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 212247-77:
(8*2)+(7*1)+(6*2)+(5*2)+(4*4)+(3*7)+(2*7)+(1*7)=103
103 % 10 = 3
So 212247-77-3 is a valid CAS Registry Number.

212247-77-3Downstream Products

212247-77-3Relevant academic research and scientific papers

Unambiguous synthesis of 1-methyl-3-hydroxypyrazoles

Zimmermann, Diane,Krogsgaard-Larsen, Povl,Ehrhardt, Jean-Daniel,Madsen, Ulf,Janin, Yves L.

, p. 9393 - 9400 (2007/10/03)

2,3-Dihydropyrazolo[3,2-b]oxazoles were used as intermediates in a new method for preparation of N1-methyl-3-hydroxypyrazoles. Synthesis of this bicyclic system was achieved either by alkylation of 3-hydroxypyrazole with 1,2-dibromoethane or, with better

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