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D-(-)-Citramalic Acid

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Origin: China

Cas No: 6236-10-8

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 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.: 6236-10-8 Formula: C5H8O5 Molecular Weight: 148.11400

Basic Info

Chemical Name	D-(-)-Citramalic Acid
Synonyms	(2R)-2-hydroxy-2-methylbutanedioic acid;
CAS No.	6236-10-8
Molecular Formula	C5H8O5
Molecular Weight	148.11400
PSA	94.83000
LogP	-0.70330

Properties

Appearance & Physical State	white fine crystalline powder
Density	1.513 g/cm3
Boiling Point	295.2ºC at 760 mmHg
Melting Point	108-110ºC(lit.)
Flash Point	146.6ºC

Safety Info

Safety Statements	S26-S36
WGK Germany	3
Risk Statements	R36/37/38
Hazard Codes	Xi

Synthesis Route

trans-2-phenylcyclohexyl citramalate→D-(-)-Citramalic Acid
2-hydroxy-2-methylbutanedioic acid→(2S)-2-methylbutanedioic acid+D-(-)-Citramalic Acid
(4S)-4-methyl-4-(trichloromethyl)oxetan-2-one→D-(-)-Citramalic Acid

Precursor

ethyl 2-((3R,8aS)-3-methyl-1,4-dioxohexahydro-1H-pyrrolo[2,1-c][1,4]oxazin-3-yl)acetate
citraconic acid
(4S)-4-methyl-4-(trichloromethyl)oxetan-2-one
trans-2-phenylcyclohexyl citramalate

Downstream Product

methacrylic acid
(4R)-4-[2-(benzenesulfonyl)ethyl]-2,2,4-trimethyl-1,3-dioxolane
dimethyl (2R)-2-hydroxy-2-methylbutanedioate

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