CAS No.20283-92-5,Rosmarinic acid Suppliers

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Basic Information

Molecular Structure:
CAS No.:	20283-92-5
Name:	Rosmarinic acid
Article Data:	4
Cas Database

Formula:	C₁₈H₁₆O₈
Molecular Weight:	360.32
Synonyms:	Benzenepropanoicacid, a-[[(2E)-3-(3,4-dihydroxyphenyl)-1-oxo-2-propen-1-yl]oxy]-3,4-dihydroxy-,(aR)-;Benzenepropanoicacid, a-[[(2E)-3-(3,4-dihydroxyphenyl)-1-oxo-2-propenyl]oxy]-3,4-dihydroxy-,(aR)- (9CI);Benzenepropanoic acid, a-[[3-(3,4-dihydroxyphenyl)-1-oxo-2-propenyl]oxy]-3,4-dihydroxy-,[R-(E)]-;Cinnamic acid, 3,4-dihydroxy-, 2-ester with3-(3,4-dihydroxyphenyl)lactic acid;Rosmarinic acid (6CI,7CI);MamorekkuRUH 2;RM 21A;trans-Rosmarinic acid;
EINECS:	606-487-1
Density:	1.547 g/cm³
Melting Point:	171-175 °C(lit.)
Boiling Point:	694.7 °C at 760 mmHg
Flash Point:	254.5 °C
Solubility:	N/A
Appearance:	Brown fine powder
Hazard Symbols:	T
Risk Codes:	25
Safety:	45
Transport Information:	N/A
PSA:	144.52000
LogP:	1.76130

Raw Materials

68307-79-9

71186-67-9

23028-17-3

139-85-5

331-39-5

Downstream Products

59-02-9

331-39-5

23028-17-3

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Chemistry

IUPAC Name: (2R)-3-(3,4-Dihydroxyphenyl)-2-[(E)-3-(3,4-dihydroxyphenyl)prop-2-enoyl]oxypropanoic acid
CAS: 20283-92-5
Molecular Formula: C₁₈H₁₆O₈
Molecular Weight: 360.31
Molecular structure:
H bond acceptors: 8
H bond donors: 5
Freely Rotating Bonds: 11
Index of Refraction: 1.713
Molar Refractivity: 91.35 cm³
Molar Volume: 232.8 cm³
Polarizability: 36.21 10^-24cm³
Surface Tension: 84.3 dyne/cm
Density: 1.547 g/cm³
Flash Point: 254.5 °C
Enthalpy of Vaporization: 106.87 kJ/mol
Boiling Point: 694.7 °C at 760 mmHg
Vapour Pressure: 2.92E-20 mmHg at 25°C
Melting point: 171-175 °C(lit.)

Uses

1. Rosmarinic acid (CAS No.20283-92-5) is usually used as anti-oxidant agent for water-soluble components.
2. Rosmarinic acid is also commonly known to undergo metabolism in humans and rats which methylated rosmarinic acid, coumaric acid, ferulic acid and caffeic acid.

Toxicity Data With Reference

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
mouse	LD50	intravenous	561mg/kg (561mg/kg)		Drugs of the Future. Vol. 10, Pg. 756, 1985.

Safety Profile

WGK Germany: 3
F: 10-23
RTECS: GD8990000

Specification

Rosmarinic acid ,its CAS register number is 20283-92-5, it's called for 4aR-(4aa,9b,10a,10ab)]-1,3,4,9,10,10a-Hexahydro-5,6,9-trihydroxy-1,1-dimethyl-7-(1-methylethyl)-2H-10,4a-(epoxymethano)phenanthren-12-one ; (4aR,10aα)-1,3,4,9,10,10a-Hexahydro-5,6,9α-trihydroxy-1,1-dimethyl-7-(1-methylethyl)-2H-10β,4aβ-(epoxymethano)phenanthren-12-one ; 20-Deoxocarnosol ; 6β,7α,11,12-Tetrahydroxyabieta-8,11,13-trien-20-oic acid 20,6-lactone ; EGxp0_000163 ; ACon1_001068 ; CHEBI:50371 ; AIDS026336 ; MLS000697677 ,and so on. Rosmarinic acid is a red-orange powder,and it is slightly soluble in water.

Removal in wastewater treatment of Rosmarinic acid (CAS No.20283-92-5) can be stated as follows:
Total removal: 2.11 percent
Total biodegradation: 0.09 percent
Total sludge adsorption: 2.02 percent
Total to Air: 0.00 percent
(using 10000 hr Bio P,A,S)