Molecular Structure of 7-Hydroxycoumarin-3-carboxylic acid N-succinimidyl ester (CAS No.134471-24-2):

Molecular Formula: C₁₄H₉NO₇
Molecular Weight: 303.2238
CAS No: 134471-24-2
H bond acceptors: 8
H bond donors: 1
Freely Rotating Bonds: 4
Polar Surface Area: 99.21 Å²
Index of Refraction: 1.687
Molar Refractivity: 68.74 cm³
Molar Volume: 180.4 cm³
Surface Tension: 86.4 dyne/cm
Density: 1.68 g/cm³
Flash Point: 291.8 °C
Enthalpy of Vaporization: 87.24 kJ/mol
Boiling Point: 558.9 °C at 760 mmHg
Vapour Pressure: 4.25E-13 mmHg at 25°C
InChI: InChI=1/C₁₄H₉NO₇/c16-8-2-1-7-5-9(13(19)21-10(7)6-8)14(20)22-15-11(17)3-4-12(15)18/h1-2,5-6,16H,3-4H2
InChIKey: KFEBWCYYRFZMTJ-UHFFFAOYAM
Std. InChI: InChI=1S/C₁₄H₉NO₇/c16-8-2-1-7-5-9(13(19)21-10(7)6-8)14(20)22-15-11(17)3-4-12(15)18/h1-2,5-6,16H,3-4H2
Std. InChIKey: KFEBWCYYRFZMTJ-UHFFFAOYSA-N
Product Categories: Coumarines
Systematic Name: 1-{[(7-Hydroxy-2-oxo-2H-chromen-3-yl)carbonyl]oxy}pyrrolidine-2,5-dione 

Risk Statements: 36/37/38
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36/37/39
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
WGK Germany: 3
F: 8-10-21

  7-Hydroxycoumarin-3-carboxylic acid N-succinimidyl ester (CAS No.134471-24-2), its synonyms are 1-{[(7-Hydroxy-2-oxo-2H-chromen-3-yl)carbonyl]oxy}pyrrolidine-2,5-dione ; 2,5-Pyrrolidinedione, 1-[[(7-hydroxy-2-oxo-2H-1-benzopyran-3-yl)carbonyl]oxy]- .