Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Pyrazine, 2-methoxy-,4-oxide
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

23902-69-4

23902-69-4 structure

23902-69-4 structure

Name: Pyrazine, 2-methoxy-,4-oxide
Chemical Name: 3-methoxy-1-oxidopyrazin-1-ium
CAS Number: 23902-69-4
Molecular Formula: C₅H₆N₂O₂
Molecular Weight: 126.11300
Create Date: 2017-06-21 13:19:44
Modify Date: 2025-10-04 17:49:17

Name	3-methoxy-1-oxidopyrazin-1-ium
Synonyms	Pyrazine,methoxy-,4-oxide methoxy-pyrazine 4-oxide 3-Methoxypyrazin-1-oxid Pyrazine,4-oxide 2-methoxy-pyrazine 4-oxide 3-methoxypyrazine-1-oxide 2-Methoxy-pyrazin-4-oxid

Density	1.22g/cm3
Boiling Point	321ºC at 760 mmHg
Molecular Formula	C₅H₆N₂O₂
Molecular Weight	126.11300
Flash Point	147.9ºC
Exact Mass	126.04300
PSA	47.58000
LogP	0.51870
Vapour Pressure	0.000577mmHg at 25°C
Index of Refraction	1.537

HS Code	2933990090

3149-28-8 structure

3149-28-8

~75%

23902-69-4 structure

23902-69-4

Literature: SYNGENTA PARTICIPATIONS AG Patent: WO2003/87067 A1, 2003 ; Location in patent: Page/Page column 38-39 ;

Precursor 1
3149-28-8
DownStream 6
33332-30-8 40155-28-0 33332-31-9 3149-28-8
136309-07-4 75018-05-2

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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