CAS 81740-07-0|Praeruptorin B

Introduction：Basic information about CAS 81740-07-0|Praeruptorin B, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Table of Contents

1. Names
2. Chemical & Physical Properties
3. Safety Information
4. Synonyms

Common Name	Praeruptorin B
CAS Number	81740-07-0	Molecular Weight	426.459
Density	1.2±0.1 g/cm3	Boiling Point	524.8±50.0 °C at 760 mmHg
Molecular Formula	C₂₄H₂₆O₇	Melting Point	/
MSDS	/	Flash Point	225.5±30.2 °C

Names

Name	[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
Synonym	More Synonyms

Chemical & Physical Properties

Density	1.2±0.1 g/cm3
Boiling Point	524.8±50.0 °C at 760 mmHg
Molecular Formula	C₂₄H₂₆O₇
Molecular Weight	426.459
Flash Point	225.5±30.2 °C
Exact Mass	426.167847
PSA	92.04000
LogP	5.99
Vapour Pressure	0.0±1.4 mmHg at 25°C
Index of Refraction	1.573
InChIKey	PNTWXEIQXBRCPS-FNCQTZNRSA-N
SMILES	CC=C(C)C(=O)OC1c2c(ccc3ccc(=O)oc23)OC(C)(C)C1OC(=O)C(C)=CC
Storage condition	2~8℃

Safety Information

Hazard Codes	Xi
Safety Phrases	24/25
HS Code	29389090

Synonyms

PraeruptorinD

8,8-Dimethyl-2-oxo-9,10-dihydro-2H,8H-pyrano[2,3-f]chromene-9,10-diyl (2Z,2'Z)bis(2-methyl-2-butenoate)

2-Butenoic acid, 2-methyl-, 9,10-dihydro-8,8-dimethyl-2-oxo-2H,8H-benzo[1,2-b:3,4-b']dipyran-9,10-diyl ester, (2Z,2'Z)-

2-Butenoic acid, 2-methyl-, (9S,10S)-9,10-dihydro-8,8-dimethyl-2-oxo-2H,8H-benzo[1,2-b:3,4-b']dipyran-9,10-diyl ester, (2Z,2'Z)-

8,8-Dimethyl-2-oxo-2,8,9,10-tetrahydropyrano(2,3-f)chromene-9,10-diyl bis((Z)-2-methyl-2-butenoate)

(+)-Anomalin

Anomalin

(9S,10S)-8,8-Dimethyl-2-oxo-9,10-dihydro-2H,8H-pyrano[2,3-f]chromene-9,10-diyl (2Z,2'Z)bis(2-methyl-2-butenoate)

8,8-Dimethyl-2-oxo-9,10-dihydro-2H,8H-pyrano[2,3-f]chromene-9,10-diyl (2E,2'E)bis(2-methyl-2-butenoate)

(-)-praeruptorin B

2-Butenoic acid, 2-methyl-, 9,10-dihydro-8,8-dimethyl-2-oxo-2H,8H-benzo[1,2-b:3,4-b']dipyran-9,10-diyl ester, (2E,2'E)-

2-Butenoic acid,2-methyl-,9,10-dihydro-8,8-dimethyl-2-oxo-2H,8H-benzo(1,2-b:3,4-b')dipyran-9,10-diyl ester,(Z)

HMS2270D13

(9S,10S)-8,8-Dimethyl-2-oxo-9,10-dihydro-2H,8H-pyrano[2,3-f]chromene-9,10-diyl (2Z,2'Z)bis(2-methylbut-2-enoate)

(-)-cis-(3S,4S)-3,4-diangeloxylkhellactone

Praeruptorin B

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