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3,6-Dichloro[1,2,4]triazolo[4,3-b]pyridazine

3,6-Dichloro[1,2,4]triazolo[4,3-b]pyridazine structure

CAS No:
33050-38-3
Formula:
C5H2Cl2N4
Chemical Name:
3,6-Dichloro[1,2,4]triazolo[4,3-b]pyridazine
Synonyms:
3,6-Dichloro-s-triazolo[4,3-b]pyridazine
Categories:
Pharmaceutical Intermediates > Bulk Drug Intermediates

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3,6-Dichloro[1,2,4]triazolo[4,3-b]pyridazine Basic Attributes

Molecular Weight：

189

Exact Mass：

187.96600

DSSTox ID：

DTXSID90363257

Characteristics

PSA：

43.1

XLogP3：

1.7

Density：

1.9g/cm3

Melting Point：

140-143°C

Refractive Index：

1.807

Safety Information

Hazard category：

IRRITANT

Marks：

Precautionary statement(s)：

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

Hazard Statements：

H315

GHS Classification：

|Warning|H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]|P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, and P501|The GHS information provided by 1 company from 1 notification to the ECHA C&L Inventory.

3,6-Dichloro[1,2,4]triazolo[4,3-b]pyridazine Use and Manufacturing

6-Chloro-[1 , 2, 4]triazolo[4, 3-b]pyridazin-3(2/-/)-one (1 eq) was added to phosphoryl chloride (10 eq). The mixture was heated to reflux for 20 hours. The mixture was evaporated to dryness. The reaction was dissolved in ethyl acetate and washed by KA mixture of 6-chloro-[1, 2, 4]triazolo[4, 3-b]pyridazin-3-ol (1.8 g, 10.6 mmol) and PCl

Computed Properties

Molecular Weight:189.00
XLogP3:1.7
Hydrogen Bond Acceptor Count:3
Exact Mass:187.9656515
Monoisotopic Mass:187.9656515
Topological Polar Surface Area:43.1
Heavy Atom Count:11
Complexity:155
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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3,6-Dichloro[1,2,4]triazolo[4,3-b]pyridazine

CAS No.: 33050-38-3

Content: 99.00%

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CAS No.: 33050-38-3

Grade: Pharmaceutical Grade

Content: 99%

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Guide of 3,6-Dichloro[1,2,4]triazolo[4,3-b]pyridazine

Basic Attributes
Characteristics
Safety Information
Use and Manufacturing
Computed Properties
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3,6-Dichloro[1,2,4]triazolo[4,3-b]pyridazine

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