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5437-33-2

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5437-33-2 Usage

Chemical Properties

white to light beige crystalline powder

Check Digit Verification of cas no

The CAS Registry Mumber 5437-33-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,4,3 and 7 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 5437-33:
(6*5)+(5*4)+(4*3)+(3*7)+(2*3)+(1*3)=92
92 % 10 = 2
So 5437-33-2 is a valid CAS Registry Number.
InChI:InChI=1/C5H3Cl2NO/c6-3-1-4(7)5(9)8-2-3/h1-2H,(H,8,9)

5437-33-2 Well-known Company Product Price

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  • Alfa Aesar

  • (L08309)  3,5-Dichloro-2-pyridone, 98+%   

  • 5437-33-2

  • 1g

  • 358.0CNY

  • Detail
  • Alfa Aesar

  • (L08309)  3,5-Dichloro-2-pyridone, 98+%   

  • 5437-33-2

  • 5g

  • 1404.0CNY

  • Detail
  • Aldrich

  • (574414)  3,5-Dichloro-2-hydroxypyridine  97%

  • 5437-33-2

  • 574414-1G

  • 702.00CNY

  • Detail

5437-33-2SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name 3,5-Dichloro-2-pyridinol

1.2 Other means of identification

Product number -
Other names 3,5-dichloro-1H-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:5437-33-2 SDS

5437-33-2Relevant articles and documents

Preparation method for 3,5-dichloro-2-pyridine alcohol

-

Paragraph 0019, (2016/11/14)

The invention discloses a preparation method for 3,5-dichloro-2-pyridine alcohol. The preparation method comprises the following steps: taking 3,5,6-trichloro-2-pyridinol or 3,5,6-trichloro-2-pyridinol sodium as an initial raw material, reducing the initial raw material by zinc powder in an acidic water environment, reacting to obtain 3,5-dichloro-2-pyridine alcohol, cooling, crystallizing, filtering, washing, and drying to obtain a finished product. According to the preparation method, raw materials are easy to obtain; the used reagent is low in toxicity and has low pollution to the environment; purification methods for an intermediate product and a final product are simple and easy to operate; the yield is high.

Halopyridines. I. Synthesis of 3,5-Dichloro-2-pyridone and 2,3,5-Trichloropyridine

Shvekhgeimer, M.-G. A.,Kobrakov, K. I.,Sychev, S. S.,Promonenkov, V. K.

, p. 865 - 867 (2007/10/02)

Trichloroacetonitrile reacts with acrolein to give 2,2,4-trichloro-5-oxopentanonitrile, the cyclization of which to chloropyridines has been examined.

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