Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: DIETHYL 5,5'-((2-HYDROXYPROPANE-1,3-DIYL)BIS(OXY))BIS(4-OXO-4H-CHROMENE-2-CARBOXYLATE)
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Purity: 98.0%
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16150-45-1

16150-45-1 structure

Name: DIETHYL 5,5'-((2-HYDROXYPROPANE-1,3-DIYL)BIS(OXY))BIS(4-OXO-4H-CHROMENE-2-CARBOXYLATE)
Chemical Name: ethyl 5-[3-(2-ethoxycarbonyl-4-oxochromen-5-yl)oxy-2-hydroxypropoxy]-4-oxochromene-2-carboxylate
CAS Number: 16150-45-1
Molecular Formula: C₂₇H₂₄O₁₁
Molecular Weight: 524.473
Create Date: 2018-07-16 15:49:10
Modify Date: 2026-07-05 06:49:05

Name	ethyl 5-[3-(2-ethoxycarbonyl-4-oxochromen-5-yl)oxy-2-hydroxypropoxy]-4-oxochromene-2-carboxylate
Synonyms	Diethyl 5,5'-[(2-hydroxypropane-1,3-diyl)bis(oxy)]bis(4-oxo-4H-chromene-2-carboxylate) Diethyl 5,5'-[(2-hydroxypropane-1,3 Cromoglycic acid diethyl ester 1,3-Bis-(2-ethoxycarbonylchromon-5-yloxy)-2-hydroxypropan Sodium Cromoglicate Impurity 1 Diethyl ester cromoglycate ethyl 5-[3-(2-ethoxycbonyl-4-oxo-chromen-5-yl)oxy-2-hydroxy-propoxy]-4-oxo-chromene-2-cboxylate Diethyl cromoglicate Diethyl 5,5'-((2-hydroxypropane-1,3-diyl)-bis(oxy))bis(4-oxo-4H-chromene-2-cboxylate) Cromolyn Sodium Related Compound B 4H-1-Benzopyran-2-cboxylicacid, 5,5'-[(2-hydroxy-1,3-propanediyl)bis(oxy)]bis[4-oxo-, 2,2'-diethyl ester 1,3-bis(2-ethoxycarbonylchromon-5-yloxy)propan-2-ol Dipotassium cromoglycate Diethyl 5,5'-[(2-hydroxypropane-1,3-diyl)dioxy]bis(4-oxo-4H-1-benzopyran-2-cboxylate) (Ethyl Cromo 5,5'-(2-hydroxytrimethylenedioxy)bis(4-oxochromene-2-carboxylic acid) diethyl ester Diethyl 5,5'-((2-hydroxypropane-1,3-diyl)bis(oxy))bis(4-oxo-4H-chromene-2-carboxylate) 5,5'-[(2-hydroxytrimethylene)dioxy]bis[4-oxo-4H-1-benzopyran-2-carboxylic acid] diethyl ester Diethyl chromoglycate Cromolyn diethyl ester 1,3-BIS(2-ETHOXYCBONYLCHROMON-5-YLOXY)-2-HYDROXYPROPAN: DIETHYL CROMOGLYCATE Cromophene 1,3-bis(2-carboethoxychromon-5-yloxy)-2-hydroxypropane Diethyl 5,5′-[(2-hydroxypropane-1,3-diyl)dioxy]bis(4-oxo-4H-1-benzopyran-2-cboxylate) 1,3-BIS(2-ETHOXYCBONYLCHROMON-5-YLOXY)-2-HYDROXYPROPAN 4H-1-Benzopyran-2-carboxylic acid,5,5'-((2-hydroxy-1,3-propanediyl)bis(oxy))bis(4-oxo-,diethyl ester Diethyl cromoglycate 4H-1-Benzopyran-2-carboxylic acid, 5,5'-[(2-hydroxy-1,3-propanediyl)bis(oxy)]bis[4-oxo-, diethyl ester Diethyl 5,5'-[(2-hydroxypropane-1,3-diyl)dioxy]bis(4-oxo-4H-1-benzopyran-2-cboxylate) (Ethyl Cromoglicate) 5,5'-(2-hydroxytrimethylenedioxy)bis(4-oxochromene-2-cboxylic acid) diethyl ester 5-[3-(2-cbethoxy-4-keto-chromen-5-yl)oxy-2-hydroxy-propoxy]-4-keto-chromene-2-cboxylic acid ethyl ester 4H-1-Benzopyran-2-cboxylic acid, 5,5'-((2-hydroxy-1,3-propanediyl)bis(oxy))bis(4-oxo) diethyl ester 1,3-bis(2-ethoxycarbonylchromon T66 BO EVJ CVO2 GO1YQ1O- GT66 BO EVJ CVO2 2-[bromo(ethyl)amino]acetic acid ethyl ester Diethyl 5,5'-((2-hydroxypropane-1,3-diyl)bis(oxy))bis(4-oxo-4H-chromene-2-cboxylate) ethyl 5-[3-(2-ethoxycbonyl-4-oxochromen-5-yl)oxy-2-hydroxypropoxy]-4-oxochromene-2-cboxylate Sodium cromoglicate-007 Diethyl ester of 1,3-bis(2-cboxy-chromon-5-yloxy)-2-hydroxy propane Sodium Cromoglicate Impurity B 4H-1-Benzopyran-2-carboxylic,5,5'-((2-hydroxytrimethylene)dioxy)bis(4-oxo-,diethyl ester Diethyl 5,5'-[(2-hydroxy-1,3-propanediyl)bis(oxy)]bis(4-oxo-4H-chromene-2-carboxylate) Cromolyn Sodium Impurity 2(Cromolyn Sodium RC B)

Density	1.4±0.1 g/cm3
Boiling Point	715.2±60.0 °C at 760 mmHg
Molecular Formula	C₂₇H₂₄O₁₁
Molecular Weight	524.473
Flash Point	239.0±26.4 °C
Exact Mass	524.131836
PSA	151.71000
LogP	1.53
Vapour Pressure	0.0±2.4 mmHg at 25°C
Index of Refraction	1.604
Storage condition	2~8℃

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DJ2370000

CHEMICAL NAME :: 4H-1-Benzopyran-2-carboxylic acid, 5,5'-((2-hydroxy-1,3-propanediyl)bis(oxy))bis(4-oxo-, diethyl ester

CAS REGISTRY NUMBER :: 16150-45-1

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C27-H24-O11

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >3 gm/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: ATDAEI Acute Toxicity Data. Journal of the American College of Toxicology, Part B. (Mary Ann Liebert, Inc., 1651 Third Ave., New York, NY 10128) V.1- 1990- Volume(issue)/page/year: 1,60,1990

Hazard Codes	Xn
RIDADR	NONH for all modes of transport

64-17-5

15826-37-6

~77%

16150-45-1

Literature: THE GENERAL HOSPITAL CORPORATION; ELMALEH, David, R.; SHOUP, Timothy Patent: WO2010/88455 A2, 2010 ; Location in patent: Page/Page column 30 ;

15826-37-6

75-03-6

16150-45-1

Literature: Mori; Nishimura; Tamaki; Nakamura; Tsuda; Kakeya Chemical and Pharmaceutical Bulletin, 1988 , vol. 36, # 1 p. 338 - 344

Precursor 3
64-17-5 15826-37-6 75-03-6
DownStream 1
110816-78-9

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