Lot numbers can be found on the outside label of a product:
Thieno[2,3-d]pyrimidine-2,4(1H,3H)-dione
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CAS No. 18740-38-0
- Cat. No. CS-0059197
- Purity≥95%
- MDL No.None
*For research and further manufacturing use only, not for direct human use.
![Thieno[2,3-d]pyrimidine-2,4(1H,3H)-dione|CS-0059197](https://file.chemscene.com/productPIC/CS-0059197.gif)
Structure of 18740-38-0
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General Information
- CAS No. 18740-38-0
- Cat. No. CS-0059197
- Purity ≥95%
- MDL No. None
- Storage 4°C, stored under nitrogen
- Shipping Room temperature in continental US; may vary elsewhere.
- Molecular Formula C₆H₄N₂O₂S
- Molecular Weight 168.17
- Synonym(s) Thieno[2,3-d]pyrimidine-2,4-diol
- SMILES O=C1NC2=C(C=CS2)C(N1)=O
Description
Thieno[2,3-d]pyrimidine-2,4(1H,3H)-dione features a fused tricyclic core combining thiophene and pyrimidine units, delivering enhanced electron delocalization and metabolic stability. This scaffold integrates readily into bioactive molecules, serving as a robust platform for pharmaceutical discovery and materials science applications.
Application
Thieno[2,3-d]pyrimidine-2,4(1H,3H)-dione serves as a versatile heterocyclic building block in medicinal chemistry, enabling efficient access to fused pyrimidine scaffolds. Its inherent stability and dual carbonyl functionality facilitate diverse transformations, including nucleophilic substitution and transition-metal-catalyzed couplings. The molecule's planar structure and favorable solubility profile support its use in solid-phase synthesis and high-throughput screening campaigns.
Synthesis
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Route1
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1189-71-5 -
In-stock
4651-81-4 - ~81%
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In-stock
18740-38-0
References
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GENENTECH, INC.; PIRAMED LIMITED; CASTANEDO, Georgette; DOTSON, Jennafer; GOLDSMITH, Richard; GUNZNER, Janet; HEFFRON, Tim; MATHIEU, Simon; OLIVERO, Alan; STABEN, Steven; SUTHERLIN, Daniel P.; TSUI, Vickie; WANG, Shumei; ZHU, Bing-Yan; BAYLISS, Tracy; CHUCKOWREE, Irina; FOLKES, Adrian; WAN, Nan Chi Patent: WO2008/73785 A2, 2008 ; Location in patent: Page/Page column 169 ; WO 2008/073785 A2
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References
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Deng, Jifeng; Peng, Li; Zhang, Guicheng; Lan, Xiaobing; Li, Chufang; Chen, Fuxin; Zhou, Yayao; Lin, Zuoxian; Chen, Ling; Dai, Renke; Xu, Hongjiang; Yang, Ling; Zhang, Xiquan; Hu, Wenhui European Journal of Medicinal Chemistry, 2011 , vol. 46, # 1 p. 71 - 76
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Route3
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51322-68-0 - ~%
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In-stock
18740-38-0
References
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WO2009/53715 A1, ; Page/Page column 81 ; WO 2009/053715 A1
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Safety Information
Download SDS|
GHS Pictogram :
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GHS No : GHS07
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Signal Word : Warning
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UN#: N/A
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Class : N/A
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Packing Group : N/A
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Hazard Statements : H302-H315-H320-H335
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Precautionary Statements : P261-P280-P302+P352
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Quality Control
Computational Chemistry Data
- TPSA 65.72
- LogP 0.2779
- H_Acceptors 3
- H_Donors 2
- Rotatable_Bonds 0
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Key Words
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