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2-Chloro-3,5-dimethylpyrazine

2-Chloro-3,5-dimethylpyrazine structure

CAS No:
38557-72-1
Formula:
C6H7ClN2
Chemical Name:
2-Chloro-3,5-dimethylpyrazine
Synonyms:
Pyrazine,2-chloro-3,5-dimethyl-;2-Chloro-3,5-dimethylpyrazine
Categories:
Pharmaceutical Intermediates > Bulk Drug Intermediates

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2-Chloro-3,5-dimethylpyrazine Basic Attributes

Molecular Weight：

142.58618

Exact Mass：

142.59

DSSTox ID：

DTXSID70470352

HScode：

2933990090

Characteristics

PSA：

25.8

XLogP3：

1.5

Density：

1.2±0.1 g/cm3

Boiling Point：

186.6±35.0℃ (760 Torr)

Flash Point：

83.1±11.5℃

Refractive Index：

1.526

Safety Information

Hazard category：

Transport codes：

1993

hazard class code：

36/38

safety instructions：

23-26-36/37/39

Hazard note：

Harmful

Precautionary statement(s)：

P261, P264, P270, P271, P280, P301+P312, P302+P352, P304+P312, P304+P340, P305+P351+P338, P312, P321, P322, P330, P332+P313, P337+P313, P362, P363, P403+P233, P405, P501

Hazard Statements：

H302

GHS Classification：

|Warning|H302 (50%): Harmful if swallowed [Warning Acute toxicity, oral]|P261, P264, P270, P271, P280, P301+P312, P302+P352, P304+P312, P304+P340, P305+P351+P338, P312, P321, P322, P330, P332+P313, P337+P313, P362, P363, P403+P233, P405, and P501|Aggregated GHS information provided by 2 companies from 2 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

2-Chloro-3,5-dimethylpyrazine Use and Manufacturing

Preparation of Cpd 88 HFirst, a synthesis method of an intermediate, 2-chloro-3, 5-dimethylpyrazine is described. 7.12 g of 2, 6-dimethylpyrazine and 6.5 mL of dimethylformamide (abbreviation : DMF) were put in a three-neck flask equiiped with a drop funnel and a thermometer, and the inside was refluxed under a nitrogen atmosphere. 6.7 mL of sulfuric chloride was put in a drop funnel and the reaction container was soaked in an ice bath. While the reaction solution was being stirred, the sulfuric chloride was dropped in such a way that the temperature of the solution be kept 45 °C +/- 5 °C. After that, water was added after it was confirmed that the temperature of the solution was 40

Computed Properties

Molecular Weight:142.58
XLogP3:1.5
Hydrogen Bond Acceptor Count:2
Exact Mass:142.0297759
Monoisotopic Mass:142.0297759
Topological Polar Surface Area:25.8
Heavy Atom Count:9
Complexity:97.1
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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Guide of 2-Chloro-3,5-dimethylpyrazine

Basic Attributes
Characteristics
Safety Information
Use and Manufacturing
Computed Properties
Recommended Suppliers
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2-Chloro-3,5-dimethylpyrazine

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