4-Chloro-5,7-dihydrothieno[3,4-d]pyrimidine 6,6-dioxide
Modify Date: 2026-07-04 16:58:49
![4-Chloro-5,7-dihydrothieno[3,4-d]pyrimidine 6,6-dioxide Structure](https://www.chemsrc.com/extcaspic/197/1781073-49-1.png)
4-Chloro-5,7-dihydrothieno[3,4-d]pyrimidine 6,6-dioxide structure
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Common Name | 4-Chloro-5,7-dihydrothieno[3,4-d]pyrimidine 6,6-dioxide | ||
|---|---|---|---|---|
| CAS Number | 1781073-49-1 | Molecular Weight | 204.63 | |
| Density | N/A | Boiling Point | N/A | |
| Molecular Formula | C6H5ClN2O2S | Melting Point | N/A | |
| MSDS | N/A | Flash Point | N/A | |
This table lists Chinese names, IUPAC names and various aliases of this chemical substance.
| Name | 4-Chloro-5,7-dihydrothieno[3,4-d]pyrimidine 6,6-dioxide |
|---|
This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.
| Molecular Formula | C6H5ClN2O2S |
|---|---|
| Molecular Weight | 204.63 |
| InChIKey | QWHQQLMTHWAXLF-UHFFFAOYSA-N |
| SMILES | O=S1(=O)Cc2ncnc(Cl)c2C1 |
This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.
| Q: What is the InChIKey of 4-Chloro-5,7-dihydrothieno[3,4-d]pyrimidine 6,6-dioxide? |
| A: InChIKey of 4-Chloro-5,7-dihydrothieno[3,4-d]pyrimidine 6,6-dioxide is QWHQQLMTHWAXLF-UHFFFAOYSA-N. |
| Q: What is the English name of 4-Chloro-5,7-dihydrothieno[3,4-d]pyrimidine 6,6-dioxide? |
| A: The English name of 4-Chloro-5,7-dihydrothieno[3,4-d]pyrimidine 6,6-dioxide is 4-Chloro-5,7-dihydrothieno[3,4-d]pyrimidine 6,6-dioxide. |
| Q: What is the molecular weight of 4-Chloro-5,7-dihydrothieno[3,4-d]pyrimidine 6,6-dioxide? |
| A: Molecular weight of 4-Chloro-5,7-dihydrothieno[3,4-d]pyrimidine 6,6-dioxide is 204.63. |
| Q: What is the CAS number of 4-Chloro-5,7-dihydrothieno[3,4-d]pyrimidine 6,6-dioxide? |
| A: CAS number of 4-Chloro-5,7-dihydrothieno[3,4-d]pyrimidine 6,6-dioxide is 1781073-49-1. |
| Q: What is the molecular formula of 4-Chloro-5,7-dihydrothieno[3,4-d]pyrimidine 6,6-dioxide? |
| A: Molecular formula of 4-Chloro-5,7-dihydrothieno[3,4-d]pyrimidine 6,6-dioxide is C6H5ClN2O2S. |
| Q: What is the SMILES notation of 4-Chloro-5,7-dihydrothieno[3,4-d]pyrimidine 6,6-dioxide? |
| A: SMILES notation of 4-Chloro-5,7-dihydrothieno[3,4-d]pyrimidine 6,6-dioxide is O=S1(=O)Cc2ncnc(Cl)c2C1. |
| Q: What is the Chinese name of 1781073-49-1? |
| A: Chinese name of 1781073-49-1 is 1781073-49-1. |