Home > All categories> Biochemicals and Pharmaceutical Chemicals> Pharmaceutical Impurities> (2S,3S,4S,5R,6S)-6-[5,7-dihydroxy-2-(4-hydroxyphenyl)-4-oxochromen-3-yl]oxy-3,4,5-trihydroxyoxane-2-carboxylic acid

(2S,3S,4S,5R,6S)-6-[5,7-dihydroxy-2-(4-hydroxyphenyl)-4-oxochromen-3-yl]oxy-3,4,5-trihydroxyoxane-2-carboxylic acid

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Origin: China

Cas No: 22688-78-4

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Products Specification
Product Description

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CAS No.: 22688-78-4 Formula: C21H18O12 Molecular Weight: 462.36000

Basic Info

Chemical Name	(2S,3S,4S,5R,6S)-6-[5,7-dihydroxy-2-(4-hydroxyphenyl)-4-oxochromen-3-yl]oxy-3,4,5-trihydroxyoxane-2-carboxylic acid
Synonyms	Kaempferol 3-O-\|A-D-glucuronide; Kaempferol 3-glucuronide;
CAS No.	22688-78-4
Molecular Formula	C21H18O12
Molecular Weight	462.36000
PSA	207.35000
LogP	-0.15220

Properties

Density	1.87
Boiling Point	876.8ºC at 760 mmHg
Refractive Index	1.788
Vapor Pressure	6.85E-33mmHg at 25°C

Synthesis Route

kaempferol+UDP-α-D-glucuronic acid→(2S,3S,4S,5R,6S)-6-[5,7-dihydroxy-2-(4-hydroxyphenyl)-4-oxochromen-3-yl]oxy-3,4,5-trihydroxyoxane-2-carboxylic acid+(2S,3S,4S,5R,6S)-6-((3,5-dihydroxy-2-(4-hydroxyphenyl)-4-oxo-4H-chromen-7-yl)oxy)-3,4,5-trihydroxytetrahydro-2H-pyran-2-carboxylic acid

Precursor

UDP-α-D-glucuronic acid
kaempferol

Downstream Product

kaempferol

D-Glucuronic Acid

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