Cas 1581705-57-8,diethylcarbamic acid 2-formyl-6-chlorophenyl ester

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Check Digit Verification of cas no

The CAS Registry Mumber 1581705-57-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,8,1,7,0 and 5 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1581705-57:
(9*1)+(8*5)+(7*8)+(6*1)+(5*7)+(4*0)+(3*5)+(2*5)+(1*7)=178
178 % 10 = 8
So 1581705-57-8 is a valid CAS Registry Number.

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1581705-57-8Relevant articles and documents

Synthesis method of medicine intermediate carbamate compounds

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Paragraph 0021; 0023; 0024; 0025; 0026, (2017/05/23)

The invention provides a synthesis method of medicine intermediate carbamate compounds. Compounds disclosed as Formula (I) and compounds disclosed as Formula (II) react in an organic solvent in the presence of a catalyst and a ligand to obtain carbamate compounds. The method implements high-yield synthesis of carbamate compounds, and has favorable application prospects.

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1581705-57-8