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934617-89-7

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934617-89-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 934617-89-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,3,4,6,1 and 7 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 934617-89:
(8*9)+(7*3)+(6*4)+(5*6)+(4*1)+(3*7)+(2*8)+(1*9)=197
197 % 10 = 7
So 934617-89-7 is a valid CAS Registry Number.

934617-89-7Relevant academic research and scientific papers

Total synthesis of (-)-12,13-epi-obtusenyne

Toshio, Suzuki,Yoshino, Nobuyuki,Uemura, Toshiyuki,Hagiwara, Hisahiro,Hoshi, Takashi

, p. 278 - 279 (2008/02/04)

The stereoselective total synthesis of (-)-12,13-epi-obtusenyne is described. The oxonene skeleton possessing cis-orientated alkyl substituents at the α.α′-positions to ether linkage was stereoselectively constructed via cyclization of the corresponding h

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