[8,8-Dimethyl-9-[(E)-2-methylbut-2-enoyl]oxy-2-oxo-9,10-dihydropyrano[6,5-h]chromen-10-yl] (E)-2-methylbut-2-enoate
Praeruptorin B
CAS: 81740-07-0
Molecular Formula: C24H26O7
[8,8-Dimethyl-9-[(E)-2-methylbut-2-enoyl]oxy-2-oxo-9,10-dihydropyrano[6,5-h]chromen-10-yl] (E)-2-methylbut-2-enoate - Names and Identifiers
| Name | Praeruptorin B |
| Synonyms | Anomalin anomalin Paeruptorin B Praeruptorin B (+)Pareruptorin B (+)-praeruptorin B Praeruptorin B 81740-07-0 8,8-dimethyl-2-oxo-9,10-dihydro-2H,8H-pyrano[2,3-f]chromene-9,10-diyl (2E,2'E)bis(2-methylbut-2-enoate) [8,8-Dimethyl-9-[(E)-2-methylbut-2-enoyl]oxy-2-oxo-9,10-dihydropyrano[6,5-h]chromen-10-yl] (E)-2-methylbut-2-enoate [8,8-dimethyl-9-[(E)-2-methylbut-2-enoyl]oxy-2-oxo-9,10-dihydropyrano[2,3-f]chromen-10-yl] (E)-2-methylbut-2-enoate [8,8-Dimethyl-9-[(E)-2-methylbut-2-enoyl]oxy-2-oxo-9,10-dihydropyrano[6,5-h]chromen-10-yl] (E)-2-methylbut-2-enoate |
| CAS | 81740-07-0 |
| InChI | InChI=1/C24H26O7/c1-7-13(3)22(26)29-20-18-16(11-9-15-10-12-17(25)28-19(15)18)31-24(5,6)21(20)30-23(27)14(4)8-2/h7-12,20-21H,1-6H3/b13-7+,14-8+ |
[8,8-Dimethyl-9-[(E)-2-methylbut-2-enoyl]oxy-2-oxo-9,10-dihydropyrano[6,5-h]chromen-10-yl] (E)-2-methylbut-2-enoate - Physico-chemical Properties
| Molecular Formula | C24H26O7 |
| Molar Mass | 426.46 |
| Density | 1.24g/cm3 |
| Melting Point | 179-181°C |
| Boling Point | 524.8°C at 760 mmHg |
| Flash Point | 225.6°C |
| Solubility | Soluble in methanol, DMSO, ethyl acetate and other organic solvents, not easy to water. |
| Vapor Presure | 4.15E-11mmHg at 25°C |
| Appearance | White needle crystal |
| Color | Off-White |
| Storage Condition | Amber Vial, -20°C Freezer, Under inert atmosphere |
| Stability | Light Sensitive |
| Refractive Index | 1.573 |
| Physical and Chemical Properties | White crystal, soluble in methanol, ethyl acetate, almost insoluble in water, derived from white flower Peucedanum Peucedanumpraeruptorum. |
[8,8-Dimethyl-9-[(E)-2-methylbut-2-enoyl]oxy-2-oxo-9,10-dihydropyrano[6,5-h]chromen-10-yl] (E)-2-methylbut-2-enoate - Risk and Safety
| Safety Description | 24/25 - Avoid contact with skin and eyes. |
| HS Code | 29389090 |
[8,8-Dimethyl-9-[(E)-2-methylbut-2-enoyl]oxy-2-oxo-9,10-dihydropyrano[6,5-h]chromen-10-yl] (E)-2-methylbut-2-enoate - Reference Information
| Chemical properties | white crystals, soluble in methanol, ethyl acetate, almost insoluble in water, derived from Peucedanum praerortorum. |
| Use | peucedanulin has antitussive, expectorant and antiasthmatic effects. |
Last Update：2024-04-09 20:52:54
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Product Name: Praeruptorin B Visit Supplier Webpage Request for quotationCAS: 81740-07-0
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409
Wechat: 18301782025
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[8,8-Dimethyl-9-[(E)-2-methylbut-2-enoyl]oxy-2-oxo-9,10-dihydropyrano[6,5-h]chromen-10-yl] (E)-2-methylbut-2-enoate
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