The CAS register number of 4,7-Methanoisobenzofuran-1,3-dione,3a,4,7,7a-tetrahydro-, (3aR,4R,7S,7aS)-rel- is 2746-19-2. It also can be called as cis-Norbornene-exo-2,3-dicarboxylic anhydride and the systematic name about this chemical is 3a,4,7,7a-tetrahydro-4,7-methano-2-benzofuran-1,3-dione. The molecular formula about this chemical is C₉H₈O₃ and the molecular weight is 164.16. It belongs to the following product categories which include Alicyclic/Etch-Resistant Monomers; Lithography Monomers; Self Assembly & Contact Printing and so on.

Physical properties about 4,7-Methanoisobenzofuran-1,3-dione,3a,4,7,7a-tetrahydro-, (3aR,4R,7S,7aS)-rel- are: (1) ACD/BCF (pH 5.5): 1; (2)ACD/BCF (pH 7.4): 1; (3)ACD/KOC (pH 5.5): 20.96; (4)ACD/KOC (pH 7.4): 20.96; (5)#H bond acceptors: 3; (6)Polar Surface Area: 43.37 Å²; (7)Index of Refraction: 1.584; (8)Molar Refractivity: 39.08 cm³; (9)Molar Volume: 116.78 cm³; (10)Polarizability: 15.493x10^-24cm³; (11)Surface Tension: 50.991 dyne/cm; (12)Density: 1.406 g/cm³; (13)Flash Point: 163.801 °C; (14)Enthalpy of Vaporization: 57.369 kJ/mol; (15)Boiling Point: 331.056 °C at 760 mmHg.

Preparation: this chemical can be prepared by norborn-5-ene-2endo,3endo-dicarboxylic acid anhydride. The reaction temperature is 190 °C. The yield is about 22%.

Uses of 4,7-Methanoisobenzofuran-1,3-dione,3a,4,7,7a-tetrahydro-, (3aR,4R,7S,7aS)-rel-: it can be used to produce norbornane-2exo,3exo-dicarboxylic acid-anhydride. This reaction will need reagents of platinum, ethyl acetate. This reaction needs hydrogenation.

When you are using this chemical, please be cautious about it as the following:
This chemical is irritating to respiratory system and skin. There is risk of serious damage to the eyes. So, if you want to use it, wear suitable protective clothing. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. If you want to store it, you should keep the container tightly sealed in dry, cool places. If you store and use this chemical according the rule, it will not be decomposed.

You can still convert the following datas into molecular structure:
(1)SMILES: C1C2C=CC1C3C2C(=O)OC3=O
(2)InChI: InChI=1/C9H8O3/c10-8-6-4-1-2-5(3-4)7(6)9(11)12-8/h1-2,4-7H,3H2
(3)InChIKey: KNDQHSIWLOJIGP-UHFFFAOYAJ
(4)Std. InChI: InChI=1S/C9H8O3/c10-8-6-4-1-2-5(3-4)7(6)9(11)12-8/h1-2,4-7H,3H2
(5)Std. InChIKey: KNDQHSIWLOJIGP-UHFFFAOYSA-N