Molecular Structure of (R)-(+)-3-Methylsuccinic acid 1-monomethyl ester (81025-83-4):

Systematic Name: (2R)-4-Methoxy-2-methyl-4-oxo-butanoic acid 
Molecular Formula: C₆H₁₀O₄
Molecular Weight: 146.1412
SMILES: O=C(OC)C[C@H](C(=O)O)C
InChI: InChI=1/C6H10O4/c1-4(6(8)9)3-5(7)10-2/h4H,3H2,1-2H3,(H,8,9)/t4-/m1/s1
InChIKey: UVQYBUYGFBXQGO-SCSAIBSYBU
H bond acceptors: 4
H bond donors: 1
Freely Rotating Bonds: 4
Index of Refraction: 1.438
Molar Refractivity: 33.14 cm³
Molar Volume: 126 cm³
Surface Tension: 38.8 dyne/cm
Density: 1.159 g/cm³
Flash Point: 101.7 °C
Enthalpy of Vaporization: 53.52 kJ/mol
Boiling Point: 248.8 °C at 760 mmHg
Vapour Pressure: 0.00758 mmHg at 25 °C
Water Solubility: 6.824e+004 mg/L at 25 °C
Refractive Index: n20/D 1.4320(lit.)

Safety Information of (R)-(+)-3-Methylsuccinic acid 1-monomethyl ester (81025-83-4):
Hazard Codes: Xi
Risk Statements: 10-36/37/38
10: Flammable
36/37/38: Irritating to eyes, respiratory system and skin
Safety Statements: 26-36
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36: Wear suitable protective clothing
RIDADR: UN 3272 3/PG 3
WGK Germany: 3

  (R)-(+)-3-Methylsuccinic acid 1-monomethyl ester (81025-83-4) is also known as Methyl-(R)-3-carboxybutanoate ; 4-Methyl hydrogen (R)-(+)-2-methylsuccinate ; 1-Monomethyl (R)-(+)-3-methylsuccinate ; (R)-(+)-3-Carboxybutyric acid methyl ester ; ()-(+)-2-methylsuccinic acid 4-methyl este R ; (R)-2-Methylsuccinic acid 4-methyl ester ; (2R)-2-Methylsuccinic acid 4-methyl ester , etc.