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1,3-Bis-trichloracetyl-harnstoff, also known as 1,3-bis(trichloroacetyl)urea, is a chemical compound with the molecular formula C4Cl6N2O2. It is a white crystalline solid that is formed by the reaction of urea with trichloroacetic anhydride. 1,3-Bis-trichloracetyl-harnstoff is primarily used as a reagent in organic synthesis, particularly in the preparation of various heterocyclic compounds and as a protecting group in peptide synthesis. Due to its reactivity and potential toxicity, it is important to handle 1,3-bis-trichloracetyl-harnstoff with care, following appropriate safety protocols.

4543-61-7

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4543-61-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4543-61-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,5,4 and 3 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 4543-61:
(6*4)+(5*5)+(4*4)+(3*3)+(2*6)+(1*1)=87
87 % 10 = 7
So 4543-61-7 is a valid CAS Registry Number.

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