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15340-78-0

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15340-78-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 15340-78-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,3,4 and 0 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 15340-78:
(7*1)+(6*5)+(5*3)+(4*4)+(3*0)+(2*7)+(1*8)=90
90 % 10 = 0
So 15340-78-0 is a valid CAS Registry Number.

15340-78-0Downstream Products

15340-78-0Relevant articles and documents

Highly efficient synthesis of (+)-nimbiol and other podocarpanes derivatives from sclareol

Marcos, Isidro S.,Beneitez, Alvaro,Casta?eda, Lourdes,Moro, Rosalina F.,Basabe, Pilar,Diez, David,Urones, Julio G.

, p. 1589 - 1590 (2007)

A new access to tricyclic diterpenes of podocarpane skeleton has been opened, in excellent overall yields, and an efficient synthesis of (+)-nimbiol from sclareol has been achieved. Georg Thieme Verlag Stuttgart.

Facile access to optically active ring C aromatic diterpene derivatives from manool. Highly efficient syntheses of (+)-12-methyl-7-oxo-podocarpa-8,11,13-triene-13-carboxylic acid, (+)-13-methyl-7-oxopodocarpa-8,11,13-triene-12-carboxylic acid and (+)-nimbiol

Nakano, Tatsuhiko,Alonso, Randolph,Maillo, Maria Aracelis,Martin, Alfonso,Nunez, Ramona Avila

, p. 1423 - 1426 (2007/10/03)

The extension of our recently developed strategy using the key intermediate 2, obtainable in two steps (52% overall yield) from manool 1, to the synthesis of naturally occurring ring C aromatic diterpene derivatives provides in three steps (+)-12-methyl-7-oxopodocarpa-8,11,13-triene-13-carboxylic acid 4b and its isomer 6b, and in seven steps (+)-nimbiol 11b, in good overall yields. This synthesis discloses that the structure 4b assigned to margolone isolated from Azadirachta indica A. Juss is incorrect and needs to be reinvestigated.

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