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3-Methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole

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Origin: China

Cas No: 936250-20-3

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Products Specification
Product Description

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CAS No.: 936250-20-3 Formula: C10H17BN2O2 Molecular Weight: 208.06500

Basic Info

Chemical Name	3-Methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole
Synonyms	5-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole;
CAS No.	936250-20-3
Molecular Formula	C10H17BN2O2
Molecular Weight	208.06500
PSA	47.14000
LogP	1.01730

Properties

Density	1.07g/cm3
Boiling Point	350.3ºC at 760 mmHg
Melting Point	129-134ºC
Flash Point	165.6ºC
Refractive Index	1.487

Safety Info

Safety Statements	S26
HS Code	2934999090
Risk Statements	R36/37/38
Hazard Codes	Xi

Synthesis Route

tert-butyl 4-bromo-3-methylpyrazole-1-carboxylate+Bis(pinacolato)diboron→3-Methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole
3-Methylpyrazole+Bis(pinacolato)diboron→3-Methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole

Precursor

Bis(pinacolato)diboron
tert-butyl 4-bromo-3-methylpyrazole-1-carboxylate
3-Methylpyrazole

Downstream Product

1,5-dimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazole
1,3-Dimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole

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