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Acetobromo-α-D-glucuronic Acid Methyl Ester

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Origin: China

Cas No: 21085-72-3

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

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

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CAS No.: 21085-72-3 Formula: C13H17BrO9 Molecular Weight: 397.17300

Basic Info

Chemical Name	Acetobromo-α-D-glucuronic Acid Methyl Ester
Synonyms	Acetobromo-α-D-glucuronic acid, methyl ester; (2R,3R,4S,5S,6S)-2-Bromo-6-(methoxycarbonyl)tetrahydro-2H-pyran-3,4,5-triyl triacetate; Acetobromo-alpha-D-glucuronic acid methyl ester;
CAS No.	21085-72-3
Molecular Formula	C13H17BrO9
Molecular Weight	397.17300
PSA	114.43000
LogP	0.07430

Properties

Appearance & Physical State	White Crystalline Solid
Density	1.52g/cm3
Boiling Point	388.6ºC at 760mmHg
Melting Point	80-110ºC(lit.)
Flash Point	188.8ºC
Refractive Index	1.504
Storage Condition	-20ºC
Vapor Pressure	3.02E-06mmHg at 25°C

Safety Info

Safety Statements	S22-S24/25
HS Code	2932999099
WGK Germany	3
Hazard Codes	Xi

Synthesis Route

1,2,3,4-Tetra-O-acetyl-β-D-glucuronic Acid Methyl Ester→Acetobromo-α-D-glucuronic Acid Methyl Ester
methyl (3,4-di-O-tert-butyldimethylsilyl-D-glucuronate)glycal→3,4-di-O-(tert-butyldimethylsilyl)-D-glucuronal+Acetobromo-α-D-glucuronic Acid Methyl Ester
methyl (2S,3S,4S,5R)-3,4,5,6-tetraacetyloxyoxane-2-carboxylate→Acetobromo-α-D-glucuronic Acid Methyl Ester

Precursor

1,2,3,4-Tetra-O-acetyl-β-D-glucuronic Acid Methyl Ester
2,3,4-Tri-O-acetyl-α-D-glucuronic Acid Methyl Ester
methyl (2S,3S,4S,5R)-3,4,5,6-tetraacetyloxyoxane-2-carboxylate
methyl (3,4-di-O-tert-butyldimethylsilyl-D-glucuronate)glycal

Downstream Product

Pregnanediol 3α-O-β-D-Glucuronide
3,17β-bis-((5S)-tri-O-acetyl-5-methoxycarbonyl-β-D-xylopyranosyloxy)-estra-1,3,5(10)-triene
17β-Estradiol 17-(2,3,4-Tri-O-acetyl-β-D-glucuronide Methyl Ester)
(2S,3S,4S,5R,6R)-6-[[(3S,4aR,6aR,6bS,8aS,11S,12aR,14aR,14bS)-11-carboxy-4,4,6a,6b,8a,11,14b-heptamethyl-14-oxo-2,3,4a,5,6,7,8,9,10,12,12a,14a-dodecahydro-1H-picen-3-yl]oxy]-3,4,5-trihydroxyoxane-2-carboxylic acid

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