Benzo[1,2-b:3,4-b']dipyran-9-ylester, (2Z)-

BGC Id:	356123405452
CAS No:	73069-27-9
Synonyms:	2-butenoic acid,2-methyl-,(9s,10s)-10-(acetyloxy)-9,10-dihydro-8,8-dimethyl-2-oxo-2h,8h-benzo[1,2-b:3,4-b']dipyran-9-ylester, (2z)- ; (z)-2-methyl-2-butenoic acid [(9s,10s)-10β-(acetyloxy)-9,10-dihydro-8,8-dimethyl-2-oxo-2h,8h-benzo[1,2-b:3,4-b']dipyran]-9β-yl ester ; praeruptorin a ; benzo[1,2-b:3,4-b']dipyran-9-ylester, (2z)- ; (+)-praeruptorin a ; 9,10-dihydro-9β-[(z)-1-oxo-2-methyl-2-butenyloxy]-10β-(acetyloxy)-8,8-dimethyl-2h,8h-benzo[1,2-b:3,4-b']dipyran-2-one ; 2-butenoicacid, 2-methyl-,10-(acetyloxy)-9,10-dihydro-8,8-dimethyl-2-oxo-2h,8h-benzo[1,2-b:3,4-b']dipyran-9-ylester, [9s-[9a(z),10a]]-
Molecular Formula:	C21H22O7
Molecular Weight:	386.39518
EINECS:

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The last intensive check and update was carried out on 2026/03/01.

Identify

Synonyms:

2-butenoic acid,2-methyl-,(9s,10s)-10-(acetyloxy)-9,10-dihydro-8,8-dimethyl-2-oxo-2h,8h-benzo[1,2-b:3,4-b']dipyran-9-ylester, (2z)- ; (z)-2-methyl-2-butenoic acid [(9s,10s)-10β-(acetyloxy)-9,10-dihydro-8,8-dimethyl-2-oxo-2h,8h-benzo[1,2-b:3,4-b']dipyran]-9β-yl ester ; praeruptorin a ; benzo[1,2-b:3,4-b']dipyran-9-ylester, (2z)- ; (+)-praeruptorin a ; 9,10-dihydro-9β-[(z)-1-oxo-2-methyl-2-butenyloxy]-10β-(acetyloxy)-8,8-dimethyl-2h,8h-benzo[1,2-b:3,4-b']dipyran-2-one ; 2-butenoicacid, 2-methyl-,10-(acetyloxy)-9,10-dihydro-8,8-dimethyl-2-oxo-2h,8h-benzo[1,2-b:3,4-b']dipyran-9-ylester, [9s-[9a(z),10a]]-

CAS:

73069-27-9

EINECS:

Molecular Formula:

C21H22O7

MDL:

SMILES:

C1=C(C=C(C(=C1I)O)I)C[C@@H](C(=O)O)N

Properties

Molecular Weight:

386.39518 g·mol−1

Density:

1.289 g/cm3

Boiling point:

486.817 °C at 760 mmHg

Flash point:

211.534 °C

What other providers are available for CAS 73069-27-9?

In addition to the providers presented here for Benzo[1,2-b:3,4-b']dipyran-9-ylester, (2Z)- with the CAS number 73069-27-9, there are other 12 providers with slightly different product names available for this CAS number.

PraeruptorinC

+1 additional providers that we know from the past

Praeruptorin A

Leap Chem Co., Ltd | Skyrun Industrial Co., Ltd. +6 additional providers that we know from the past

Praeruptorin C

+2 additional providers that we know from the past

(+)-Praeruptorin a

Leap Chem Co., Ltd