16281-39-3
16281-39-3 structure
- Name: 5-chloro-3,4-dihydro-8-hydroxy-3-methyl-1h-2-benzopyran-1-one-7-carboxylic acid
- Chemical Name: 5-chloro-3,4-dihydro-8-hydroxy-3-methyl-1h-2-benzopyran-1-one-7-carboxylic acid
- CAS Number: 16281-39-3
- Molecular Formula: C11H9ClO5
- Molecular Weight: 256.63900
- Create Date: 2018-12-11 12:39:50
- Modify Date: 2025-08-31 18:29:59
| Name | 5-chloro-3,4-dihydro-8-hydroxy-3-methyl-1h-2-benzopyran-1-one-7-carboxylic acid |
|---|---|
| Synonyms |
1H-2-Benzopyran-7-carboxylic acid,5-chloro-3,4-dihydro-8-hydroxy-3-methyl-1-oxo
5-chloro-8-hydroxy-3-methyl-1-oxoisochroman-7-carboxylic acid 3-methyl-5-chloro-7-carboxy-8-hydroxyisocoumarin 5-chloro-8-hydroxy-3,4-dihydro-3-methylisocoumarin-7-carboxylic acid |
| Density | 1.539g/cm3 |
|---|---|
| Boiling Point | 521.4ºC at 760mmHg |
| Molecular Formula | C11H9ClO5 |
| Molecular Weight | 256.63900 |
| Flash Point | 269.2ºC |
| Exact Mass | 256.01400 |
| PSA | 83.83000 |
| LogP | 1.84520 |
| Vapour Pressure | 1.06E-11mmHg at 25°C |
| Index of Refraction | 1.62 |
| HS Code | 2932999099 |
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|
~55%
16281-39-3 |
| Literature: Cramer, Benedikt; Harrer, Henning; Nakamura, Kazuhiko; Uemura, Daisuke; Humpf, Hans-Ulrich Bioorganic and Medicinal Chemistry, 2010 , vol. 18, # 1 p. 343 - 347 |
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16281-39-3 |
| Literature: Iowa State University Research Foundation, Inc. Patent: US4346039 A1, 1982 ; |
|
~47%
16281-39-3 |
| Literature: Sibi,M.P.; Chattopadhyay,S.; Dankwardt,J. Journal of the American Chemical Society, 1985 , vol. 107, p. 6312 |
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16281-39-3 |
| Literature: Sibi,M.P.; Chattopadhyay,S.; Dankwardt,J. Journal of the American Chemical Society, 1985 , vol. 107, p. 6312 |
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16281-39-3 |
| Literature: Sibi,M.P.; Chattopadhyay,S.; Dankwardt,J. Journal of the American Chemical Society, 1985 , vol. 107, p. 6312 |
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16281-39-3 |
| Literature: Bouisseau, Anais; Roland, Aurelie; Reillon, Florence; Schneider, Remi; Cavelier, Florine Organic Letters, 2013 , vol. 15, # 15 p. 3888 - 3890 |
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16281-39-3 |
| Literature: Bouisseau, Anais; Roland, Aurelie; Reillon, Florence; Schneider, Remi; Cavelier, Florine Organic Letters, 2013 , vol. 15, # 15 p. 3888 - 3890 |
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~%
16281-39-3 |
| Literature: Gabriele, Bartolo; Attya, Mohamed; Fazio, Alessia; Di Donna, Leonardo; Plastina, Pierluigi; Sindona, Giovanni Synthesis, 2009 , # 11 art. no. Z01909SS, p. 1815 - 1820 |
| HS Code | 2932999099 |
|---|---|
| Summary | 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |