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2-Cyclopenten-1-ol, 1,5-dimethyl-5-(3-methylphenyl)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

139618-52-3

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139618-52-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139618-52-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,6,1 and 8 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 139618-52:
(8*1)+(7*3)+(6*9)+(5*6)+(4*1)+(3*8)+(2*5)+(1*2)=153
153 % 10 = 3
So 139618-52-3 is a valid CAS Registry Number.

139618-52-3Relevant articles and documents

ENANTIOCONTROLLED SYNTHESES OF THE CUPARENE SESQUITERPENES, (-)-HERBERTENE, (+)-β-CUPARENONE, (-)-DEBROMOAPLYSIN, AND (-)-APLYSIN

Takano, Seiichi,Moriya, Minoru,Ogasawara, Kunio

, p. 329 - 332 (2007/10/02)

Enantiocontrolled syntheses of the Cuparene sesquiterpenes, (-)-herbertene, (+)-cuparenone, (-)-debromoaplysin, and (-)-aplysin, have been achieved starting from the optically active tricyclic dienone by employing a Fischer indolization reaction under non-acidic conditions as the key step.

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