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39776-31-3

39776-31-3

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39776-31-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 39776-31-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,7,7 and 6 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 39776-31:
(7*3)+(6*9)+(5*7)+(4*7)+(3*6)+(2*3)+(1*1)=163
163 % 10 = 3
So 39776-31-3 is a valid CAS Registry Number.

39776-31-3Upstream product

39776-31-3Relevant articles and documents

A short enantioselective total synthesis of the fundamental pentacyclic triterpene lupeol

Surendra, Karavadhi,Corey

supporting information; experimental part, p. 13928 - 13929 (2009/12/25)

(Chemical Equation Presented) The first enantioselective synthesis of lupeol has been developed by applying two carefully crafted cation-π cyclization stages to generate the pentacyclic structure with complete stereocontrol. The synthesis (Scheme 1) is no

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