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5-Methylpyrazine-2-carboxylic acid

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Origin: China

Cas No: 5521-55-1

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

Quick Details
CAS No.:
5521-55-1
Other Names:
-
MF:
C6H6N2O2
EINECS No.:
413-260-9
Place of Origin:
Shandong, China
Type:
Pharmaceutical Intermediates
Purity:
99%
Brand Name:
QDXIGEMA
Model Number:
top
Application:
Pharmaceutical Intermediates
Appearance:
Orange Powder
Product name:
5-Methyl-2-pyrazinecarboxylic acid
Molecular weight:
138.12
Melting point:
167-171 °C(lit.)
Color:
orange
Shelf life:
2 years
Form:
powder
Boiling point:
253.51°C (rough estimate)
Density:
1.3471 (rough estimate)
refractive index:
1.5100 (estimate)
storage temp:
-20°C Freezer
Packaging&Delivery
Packaging Details
25KG/DRUM
Port
Qingdao port

Property

CAS No.: 5521-55-1 Formula: C6H6N2O2 Molecular Weight: 138.12400

Basic Info

Chemical Name	5-Methylpyrazine-2-carboxylic acid
Synonyms	5-Methyl-2-pyrazinecarboxylic acid;
CAS No.	5521-55-1
Molecular Formula	C6H6N2O2
Molecular Weight	138.12400
PSA	63.08000
LogP	0.48320

Properties

Appearance & Physical State	Pale Brown Powder
Density	1.319 g/cm3
Boiling Point	316.5ºC at 760 mmHg
Melting Point	166-169ºC
Flash Point	145.2ºC
Storage Condition	-20ºC Freezer

Safety Info

Safety Statements	S26-S39
HS Code	2933599090
WGK Germany	1
Risk Statements	R41
Hazard Codes	Xi
Hazard Declaration	H318
Signal Word	Danger
Symbol	GHS05
Caution Statement	P280; P305 + P351 + P338

Synthesis Route

2-(chloromethyl)-5-methylpyrazine,hydrochloride→5-Methylpyrazine-2-carboxylic acid
(5-methylpyrazin-2-yl)methanol→5-Methylpyrazine-2-carboxylic acid
2-Acetoxymethyl-5-methylpyrazine→5-Methylpyrazine-2-carboxylic acid

Precursor

5-methylpyrazine-2,3-dicarboxylic acid
2,5-Dimethyl pyrazine
2-(chloromethyl)-5-methylpyrazine,hydrochloride
(5-methylpyrazin-2-yl)methanol

Downstream Product

5-Methylpyrazine-2-carbaldehyde
5-methyl-4-oxidopyrazin-4-ium-2-carboxylic acid
5-Methyl-Pyrazine-2-Carboxamide
Ethyl 5-methylpyrazine-2-carboxylate

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