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93677-65-7

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93677-65-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 93677-65-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,6,7 and 7 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 93677-65:
(7*9)+(6*3)+(5*6)+(4*7)+(3*7)+(2*6)+(1*5)=177
177 % 10 = 7
So 93677-65-7 is a valid CAS Registry Number.

93677-65-7Downstream Products

93677-65-7Relevant articles and documents

Ureas as safe carbonyl sources for the synthesis of carbamates with deep eutectic solvents (DESs) as efficient and recyclable solvent/catalyst systems

Dindarloo Inaloo, Iman,Majnooni, Sahar

, p. 13249 - 13255 (2018/08/21)

A simple, efficient and eco-friendly one-pot synthesis of primary, N-mono- and N-disubstituted carbamates is developed from ureas. The corresponding carbamates were produced at 120 °C, within 18 h, and in the presence of a deep eutectic solvent as a recyclable catalytic system. The catalyst can be reused for several runs without any reduction in its activity. To demonstrate the utility of this approach, a wide variety of alcohols and phenols were studied to find a vast range of carbamate derivatives in moderate to high yields.

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