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300816-22-2 - 4-Chloro-6,7-dihydro-5H-cyclopenta[4,5]thieno[2,3-d]pyrimidine, 96% - H32208 - Alfa Aesar

H32208 4-Chloro-6,7-dihydro-5H-cyclopenta[4,5]thieno[2,3-d]pyrimidine, 96%

CAS Number

Size Price ($) Quantity Availability
1g 35.96
5g 157.35
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4-Chloro-6,7-dihydro-5H-cyclopenta[4,5]thieno[2,3-d]pyrimidine, 96%


Chemical Properties

Formula Weight
Melting point


Used in the synthesis of some novel thieno [2, 3-d] pyrimidines and their antibacterial activity.


Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Store away from strong oxidizing agents.

Literature References

K. Shiva Kumar,; Srinivas Chamakuri,; Peddy Vishweshwar,; Javed Iqbal,; Manojit Pal. AlCl3-induced (hetero)arylation of thienopyrimidine ring: a new synthesis of 4-substituted thieno[2,3-d]pyrimidines. Tetrahedron Letters. 2010, 51(25),3269-3273.

Md Salahuddin,; Sunil Kakad,; S. M. Shantakumar. Synthesis of Some Novel Thieno[2, 3-d] pyrimidines and their Antibacterial Activity. Journal name. 2009, 6(3) ,801-808.

GHS Hazard and Precautionary Statements

Hazard Statements: H315-H319-H335

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements: P261-P280-P305+P351+P338-P304+P340-P362-P312-P321-P405-P403+P233-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Take off contaminated clothing and wash before reuse. Call a POISON CENTER or doctor/physician if you feel unwell. Specific treatment (see label). Store locked up. Store in a well-ventilated place. Keep container tightly closed. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Harmonized Tariff Code


  • A11954

    4-Isopropylbenzonitrile, 95%
  • H26311

    3-(Trifluoromethyl)thiobenzamide, 97%
  • H32737

    2-Methoxythiobenzamide, 97%
  • H33770

    4-Chloro-5,6-dimethylthieno[2,3-d]pyrimidine, 96%

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