Carbamyl Benzyl Ester, is an intermediate in the synthesis of various pharmaceutical compounds. It can be also used as nondeuterated internal standards for the quantitative analysis of carisoprodol in blood.

Appearance and properties: white crystal

Density: 1.168 g/cm3

Boiling point: 318.7oC at 760 mmHg

Melting point: 86-89 °C(lit.)

Flash point: 182.6oC

Refractive index: 1.548

Store in a cool, dry place. Store in a tightly closed container.

Production method

It is obtained by the interaction of benzyl chloroformate with ammonia. Benzyl chloroformate was slowly added into 5 times 

the volume of cold ammonia water (relative density 0.90) under intense agitation, and the reaction mixture was placed at roomtemperature for 30min, filtered out and precipitate, washed and dried to obtain the finished product.

Use

Intermediates of organic synthesis.

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