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线性分子式:
HO2CCH2CH(OH)CO2H
化学文摘社编号:
分子量:
134.09
UNSPSC Code:
12352106
NACRES:
NA.22
PubChem Substance ID:
EC Number:
202-601-5
Beilstein/REAXYS Number:
1723541
MDL number:
产品名称
L-苹果酸, 97%, optical purity ee: 99% (GLC)
InChI key
BJEPYKJPYRNKOW-REOHCLBHSA-N
InChI
1S/C4H6O5/c5-2(4(8)9)1-3(6)7/h2,5H,1H2,(H,6,7)(H,8,9)/t2-/m0/s1
SMILES string
O[C@@H](CC(O)=O)C(O)=O
assay
97%
form
powder
optical activity
[α]20/D −27°, c = 5.5 in pyridine
optical purity
ee: 99% (GLC)
mp
101-103 °C (lit.)
functional group
carboxylic acid
hydroxyl
Quality Level
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Application
L -(-)-苹果酸是一种选择性 α-氨基酸衍生物的氨基保护剂。也是制备手性化合物的通用合成子,包括 κ-阿片受体激动剂, 1α,25-二羟基维生素 D3类似物 和磷霉素 B。
General description
L -(-)-苹果酸是一种有机酸,常见于葡萄酒中。在葡萄酒微生物稳定性中发挥重要角色。
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2
存储类别
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
Zhigen Li et al.
Journal of synchrotron radiation, 27(Pt 1), 100-109 (2019-12-24)
Aluminium (Al) K- and L-edge X-ray absorption near-edge structure (XANES) has been used to examine Al speciation in minerals but it remains unclear whether it is suitable for in situ analyses of Al speciation within plants. The XANES analyses for
Bioorganic & Medicinal Chemistry Letters, 2, 1713-1713 (1992)
Kinetic determination of L (-) malic acid in wines using sequential injection analysis.
Segundo MA and Rangel AOSS.
Analytica Chimica Acta, 499(1), 99-106 (2003)
I Yoshpe-Besançon et al.
Biotechnology and applied biochemistry, 18 ( Pt 1), 93-102 (1993-08-01)
In previous papers we have reported that an aminopeptidase A (EC 3.4.11.7) purified from Staphylococcus chromogenes was able to catalyse the introduction of L-malic acid at the N-terminus of Tyr and Phe derivatives. We now show that this enzyme can
Tetrahedron Letters, 48, 5601-5601 (2007)
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