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78469-78-0

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78469-78-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78469-78-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,4,6 and 9 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 78469-78:
(7*7)+(6*8)+(5*4)+(4*6)+(3*9)+(2*7)+(1*8)=190
190 % 10 = 0
So 78469-78-0 is a valid CAS Registry Number.

78469-78-0Relevant articles and documents

Formal synthesis of (+)-isolaurepinnacin

Suzuki, Toshio,Matsumura, Ryuji,Oku, Ken-ichi,Taguchi, Keiichi,Hagiwara, Hisahiro,Hoshi, Takashi,Ando, Masayoshi

, p. 65 - 67 (2007/10/03)

The stereoselective formal synthesis of (+)-isolaurepinnacin is described. The required key oxepene skeleton possessing cis-oriented alkyl substituents at the α,ω-positions was stereoselectively constructed via the cyclization of the corresponding hydroxy epoxide promoted by the (Bu3Sn)2O/Zn(OTf)2 system.

Chiral Electrophilic Synthetic Building Blocks with Four Different Functional Groups from Tartaric Acid, 2,3- and 3,4-Epoxy-butanediol Derivatives in All Four Stereoisomeric Forms

Hungerbuehler, Ernst,Seebach, Dieter

, p. 687 - 702 (2007/10/02)

Efficient and simple procedures have been developed for the preparation of the threo- and erythro-3,4-epoxy-1,2-butanediol derivatives 7 and 9 in both enantiomeric forms from tartaric acid.These epoxides should prove versatile as alkylating reagents in sy

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