Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 4,5-dihydro-6-methyl-5-oxo-2-pyrazinecarboxylic acid 1-oxide
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

77168-88-8

77168-88-8 structure

77168-88-8 structure

Name: 4,5-dihydro-6-methyl-5-oxo-2-pyrazinecarboxylic acid 1-oxide
Chemical Name: 5-methyl-4-oxido-6-oxo-1H-pyrazin-4-ium-3-carboxylic acid
CAS Number: 77168-88-8
Molecular Formula: C₆H₆N₂O₄
Molecular Weight: 170.12300
Create Date: 2016-12-29 19:15:29
Modify Date: 2025-09-17 06:40:51

Name	5-methyl-4-oxido-6-oxo-1H-pyrazin-4-ium-3-carboxylic acid
Synonyms	6-methyl-1-oxido-5-oxo-4H-pyrazin-1-ium-2-carboxylic acid 4,5-dihydro-6-methyl-5-oxo-2-pyrazinecarboxylic acid 1-oxide 4,5-Dhopzca-1 Pyrazinecarboxylic acid,4,5-dihydro-6-methyl-5-oxo-,1-oxide

Density	1.53g/cm3
Molecular Formula	C₆H₆N₂O₄
Molecular Weight	170.12300
Exact Mass	170.03300
PSA	95.88000
LogP	0.22230
Index of Refraction	1.608

HS Code	2933990090

57005-61-5 structure

57005-61-5

~%

77168-88-8 structure

77168-88-8

Literature: Mano; Seo; Iami Chemical and Pharmaceutical Bulletin, 1980 , vol. 28, # 10 p. 3057 - 3063

77168-81-1 structure

77168-81-1

~%

77168-88-8 structure

77168-88-8

Literature: Mano; Seo; Iami Chemical and Pharmaceutical Bulletin, 1980 , vol. 28, # 10 p. 3057 - 3063

77168-82-2 structure

77168-82-2

~%

77168-88-8 structure

77168-88-8

Literature: Mano; Seo; Iami Chemical and Pharmaceutical Bulletin, 1980 , vol. 28, # 10 p. 3057 - 3063

77168-83-3 structure

77168-83-3

~%

77168-88-8 structure

77168-88-8

Literature: Mano; Seo; Iami Chemical and Pharmaceutical Bulletin, 1980 , vol. 28, # 10 p. 3057 - 3063

77168-85-5 structure

77168-85-5

~%

77168-88-8 structure

77168-88-8

Literature: Mano; Seo; Iami Chemical and Pharmaceutical Bulletin, 1980 , vol. 28, # 10 p. 3057 - 3063

77168-84-4 structure

77168-84-4

~%

77168-88-8 structure

77168-88-8

Literature: Mano; Seo; Iami Chemical and Pharmaceutical Bulletin, 1980 , vol. 28, # 10 p. 3057 - 3063

77168-86-6 structure

77168-86-6

~%

77168-88-8 structure

77168-88-8

Literature: Mano; Seo; Iami Chemical and Pharmaceutical Bulletin, 1980 , vol. 28, # 10 p. 3057 - 3063

77168-87-7 structure

77168-87-7

~30%

77168-88-8 structure

77168-88-8

Literature: Mano; Seo; Iami Chemical and Pharmaceutical Bulletin, 1980 , vol. 28, # 10 p. 3057 - 3063

Precursor 8
57005-61-5 77168-81-1 77168-82-2 77168-83-3
77168-85-5 77168-84-4 77168-86-6 77168-87-7
DownStream 0

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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