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540801-16-9

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540801-16-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 540801-16-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,4,0,8,0 and 1 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 540801-16:
(8*5)+(7*4)+(6*0)+(5*8)+(4*0)+(3*1)+(2*1)+(1*6)=119
119 % 10 = 9
So 540801-16-9 is a valid CAS Registry Number.

540801-16-9Downstream Products

540801-16-9Relevant articles and documents

Urethanes synthesis from oxamic acids under electrochemical conditions

Ogbu, Ikechukwu Martin,Lusseau, Jonathan,Kurtay, Gülbin,Robert, Frédéric,Landais, Yannick

supporting information, p. 12226 - 12229 (2020/10/26)

Urethane synthesis via oxidative decarboxylation of oxamic acids under mild electrochemical conditions is reported. This simple phosgene-free route to urethanes involves an in situ generation of isocyanates by anodic oxidation of oxamic acids in an alcoholic medium. The reaction is applicable to a wide range of oxamic acids, including chiral ones, and alcohols furnishing the desired urethanes in a one-pot process without the use of a chemical oxidant.

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