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59942-87-9 Usage

General Description

PYRAZOLO[1,5-A]PYRIDIN-2-OL is a chemical compound with the molecular formula C6H6N2O. It is a heterocyclic compound with a fused pyrazole and pyridine ring. PYRAZOLO[1,5-A]PYRIDIN-2-OL is a derivative of pyrazole and is used in medicinal chemistry as a building block for the synthesis of various bioactive compounds. It has been studied for its potential pharmacological activities, including its role as an inhibitor of the enzyme phosphodiesterase 5. Additionally, it has been investigated for its potential antimicrobial and antitumor properties. PYRAZOLO[1,5-A]PYRIDIN-2-OL has shown promise as a versatile chemical with potential applications in drug development and other fields of research.

Check Digit Verification of cas no

The CAS Registry Mumber 59942-87-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,9,9,4 and 2 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 59942-87:
179 % 10 = 9
So 59942-87-9 is a valid CAS Registry Number.



According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017


1.1 GHS Product identifier

Product name Pyrazolo[1,5-a]pyridin-2(1H)-one

1.2 Other means of identification

Product number -
Other names 1H-pyrazolo[1,5-a]pyridin-2-one

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:59942-87-9 SDS

59942-87-9Relevant articles and documents

In Situ Preparation and Consumption of O -Mesitylsulfonylhydroxylamine (MSH) in Continuous Flow for the Amination of Pyridines

Brocklehurst, Cara E.,Koch, Guido,Rothe-P?llet, Stephanie,La Vecchia, Luigi

supporting information, p. 1636 - 1640 (2017/08/11)

The paper demonstrates a safe method in which highly unstable O -mesitylsulfonylhydroxylamine (MSH) can be prepared and consumed in continuous flow. MSH was prepared in situ and used for the flow amination of a range of pyridines, which were subsequently transformed into useful pyrazolopyridine building blocks.



Page/Page column 54, (2013/04/10)

This invention relates to pyrazolopyridyl compounds of the structural formula: [Formula should be inserted here] or their pharmaceutically acceptable salts, wherein the variable are defined herein. The inventive compounds selectively inhibit aldosterone s

N- and O-substituted aminophenols, method and use for diagnosis


, (2008/06/13)

The present invention provides N- and O-substituted aminophenol derivatives of the general formula STR1 wherein R1, R2, R3, G and L are as hereinbefore defined. The present invention also provides intermediates for the preparation of these aminophenol derivatives of general formula (I), as well as the use of the aminophenol derivatives of general formula (I) for the determination of hydrolyses, as well as for the preparation of agents for carrying out determinations of hydrolyses.

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