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64724-55-6

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64724-55-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 64724-55-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,7,2 and 4 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 64724-55:
(7*6)+(6*4)+(5*7)+(4*2)+(3*4)+(2*5)+(1*5)=136
136 % 10 = 6
So 64724-55-6 is a valid CAS Registry Number.

64724-55-6Relevant articles and documents

Organic Fluorine Compounds. 32. A 1,3-Dipolar Cycloaddition Reaction of Tetrakis(trifluoromethyl)(Dewar Thiophene) and Some Reactions of the Cycloadducts

Kobayashi, Yoshiro,Ando, Akira,Kawada, Kosuke,Ohsawa, Akio,Kumadaki, Itsumaro

, p. 2962 - 2966 (2007/10/02)

The reaction of tetrakis(trifluoromethyl)(Dewar thiophene) (1) with azide compounds 2, including hydrogen azide, gave high yields of 1,3-dipolar cycloadducts 3.Compounds 3a-d were desulfurized with triphenylphosphine to afford cyclobutatriazoline compound

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