Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 1,2,4-Triazolo[4,3-a]pyrazine
Price: Check
Purity: 97.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 1,2,4-Triazolo[4,3-a]pyrazine
Price: ￥8328.0/5g ￥2388.0/1g
Purity: 98.0%
Stocking Period: 2 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 1,2,4-Triazolo[4,3-a]pyrazine(9CI)
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

274-82-8

274-82-8 structure

274-82-8 structure

Name: 1,2,4-Triazolo[4,3-a]pyrazine
Chemical Name: [1,2,4]triazolo[4,3-a]pyrazine
CAS Number: 274-82-8
Molecular Formula: C₅H₄N₄
Molecular Weight: 120.11200
Create Date: 2018-11-27 18:35:21
Modify Date: 2025-08-25 10:39:07

Name	[1,2,4]triazolo[4,3-a]pyrazine
Synonyms	s-Triazolo[4,3-a]pyrazine 1,4-Triazolo[4,3-a]pyrazine 1,2,4-Triazolo[4,3-a]pyrazine [1,2,4]triazolo[3,4-a]pyrazine s-Triazolo<4,3-a>pyrazin

Density	1.48g/cm3
Molecular Formula	C₅H₄N₄
Molecular Weight	120.11200
Exact Mass	120.04400
PSA	43.08000
LogP	0.12430
Index of Refraction	1.772

HS Code	2933990090

74803-29-5 structure

74803-29-5

~64%

274-82-8 structure

274-82-8

Literature: Hardy, Christopher R.; Parrick, John Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1980 , p. 506 - 511

54608-52-5 structure

54608-52-5

149-73-5 structure

149-73-5

~%

274-82-8 structure

274-82-8

Literature: MERCK and CO., INC. Patent: WO2004/58266 A1, 2004 ; Location in patent: Page/Page column 79 ; WO 2004/058266 A1

Precursor 3
74803-29-5 54608-52-5 149-73-5
DownStream 1
68774-81-2

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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