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145747-47-3

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145747-47-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 145747-47-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,5,7,4 and 7 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 145747-47:
(8*1)+(7*4)+(6*5)+(5*7)+(4*4)+(3*7)+(2*4)+(1*7)=153
153 % 10 = 3
So 145747-47-3 is a valid CAS Registry Number.

145747-47-3Relevant articles and documents

Efficient and convenient syntheses of (R)-(-)-cryptone and (S)-(-)-isopropenyl-2-cyclohexen-1-one

Kato,Watanabe,Tooyama,Vogler,Yoshikoshi

, p. 1055 - 1057 (1992)

Starting with (+)-nopinone (3); (R)-(-)-cryptone (1) and (S)(-)-4-isopropenyl-2-cyclohexen-1-one (2) were synthesized in five steps and 42% overall yield, and four steps and 49% overall yield, respectively.

Synthetic Approach to the Amphilectane Diterpenes: The Use of Nitriles as Terminators of Carbocation-Olefin Cyclizations

Stevens, Robert V.,Albizati, Kim F.

, p. 632 - 640 (2007/10/02)

A biomimetic approach to the synthesis of tricyclic terpenoid isonitriles from marine sponges is described which involves carbocation-olefin cyclization of polyolefinic precursors terminated by the stereoselective formation of a carbon-nitrogen bond.The k

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