Shanghai Nianxing Industrial Co., Ltd
China
Product Name: (4-OXOTHIENO[2,3-D]PYRIMIDIN-3(4H)-YL)ACETIC ACID
Price: Check
Purity: 95.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: (4-OXO-4H-QUINAZOLIN-3-YL)-ACETICACIDHYDRAZIDE
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

18740-34-6

18740-34-6 structure

18740-34-6 structure

Name: (4-OXO-4H-QUINAZOLIN-3-YL)-ACETICACIDHYDRAZIDE
Chemical Name: 2-(4-oxothieno[2,3-d]pyrimidin-3-yl)acetic acid
CAS Number: 18740-34-6
Molecular Formula: C₈H₆N₂O₃S
Molecular Weight: 210.21000
Create Date: 2018-12-18 19:31:46
Modify Date: 2025-09-02 18:11:51

Name	2-(4-oxothieno[2,3-d]pyrimidin-3-yl)acetic acid
Synonyms	3-Carboxymethyl-4-oxo-3,4-dihydro-thieno<2,3-d>pyrimidin Carboxymethyl-3 dihydro-3,4 oxo-4 thieno<2,3-d>pyrimidin BB_SC-4126

Density	1.66g/cm3
Boiling Point	469.3ºC at 760mmHg
Molecular Formula	C₈H₆N₂O₃S
Molecular Weight	210.21000
Flash Point	237.6ºC
Exact Mass	210.01000
PSA	100.43000
LogP	0.54260
Vapour Pressure	1.31E-09mmHg at 25°C

HS Code	2934999090

14080-50-3 structure

14080-50-3

79-11-8 structure

79-11-8

~%

18740-34-6 structure

18740-34-6

Literature: Comptes Rendus des Seances de l'Academie des Sciences, Serie C: Sciences Chimiques, , vol. 266, p. 128 - 130

4651-82-5 structure

4651-82-5

~%

18740-34-6 structure

18740-34-6

Literature: Bulletin de la Societe Chimique de France, , p. 587 - 591

43028-71-3 structure

43028-71-3

~%

18740-34-6 structure

18740-34-6

Literature: Bulletin de la Societe Chimique de France, , p. 587 - 591

Precursor 4
14080-50-3 79-11-8 4651-82-5 43028-71-3
DownStream 0

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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