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57880-75-8

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57880-75-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 57880-75-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,8,8 and 0 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 57880-75:
(7*5)+(6*7)+(5*8)+(4*8)+(3*0)+(2*7)+(1*5)=168
168 % 10 = 8
So 57880-75-8 is a valid CAS Registry Number.

57880-75-8Relevant articles and documents

Reaction of Imines with Trichloroacetic Esters or Anhydride Promoted by Iron Carbonyl or Microwave Irradiation. Preparation of 3,3-Dichloro-β-Lactams

Khajavi, Mohammad S.,Sefidkon, Fatemeh,Sadat Hosseini

, p. 724 - 725 (1998)

The synthesis of 3,3-dichloroazetidin-2-ones by the reaction of imines and methyl or trimethylsilyl trichloroacetate promoted by diiron nonacarbonyl or by microwave irradiation of imines and trichloroacetic anhydride is described.

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