Compound Q&A
What regulatory guidelines apply to 4-Chloro-2-methyl-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidine (CAS: 81765-97-1)?
Answer
![4-Chloro-2-methyl-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidine](https://static.chemtradehub.com/structs/817/81765-97-1-a2db.webp "4-Chloro-2-methyl-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidine")
4-Chloro-2-methyl-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidine (CAS: 81765-97-1) falls under the classification of hazardous chemicals according to the Globally Harmonized System (GHS). It is regulated by REACH in the EU, and the FDA and EPA have specific requirements for its handling and disposal. Proper labeling, storage, and disposal methods must comply with these regulations.
About
CAS No
81765-97-1
English Name
4-Chloro-2-methyl-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidine
Molecular Formula
C11H11ClN2S
Molecular Weight
238.74 g/mol
SMILES
Cc1nc(Cl)c2c3CCCCc3sc2n1
InChIKey
VBBUCJFANWYVMU-UHFFFAOYSA-N
Last Updated: 2026-01-02 18:24
![4-Chloro-2-methyl-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidine — ShangHaiJiZhiShengHua Technology Co Ltd](https://static.chemtradehub.com/suppliers/67cecbee2b2de6e8e95a5b72/67cecbee2b2de6e8e95a5b72-logo.webp){kind=logo}
![4-Chloro-2-methyl-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidine — Jin Jinle (Hunan) Chemical Co., Ltd.](https://static.chemtradehub.com/suppliers/67ce76192b2de6e8e95a464e/67ce76192b2de6e8e95a464e-logo.webp){kind=logo}