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160693-95-8

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160693-95-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 160693-95-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,0,6,9 and 3 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 160693-95:
(8*1)+(7*6)+(6*0)+(5*6)+(4*9)+(3*3)+(2*9)+(1*5)=148
148 % 10 = 8
So 160693-95-8 is a valid CAS Registry Number.

160693-95-8Relevant articles and documents

Syntheses of Antitumor Morphinane Alkaloids, Sinococuline and 6-epi-, 7-epi-, and 6-epi-7-epi-Sinococuline, from Sinomenine

Hitotsuyanagi, Yukio,Nishimura, Kunihiko,Ikuta, Hiroshi,Takeya, Koichi,Itokawa, Hideji

, p. 4549 - 4558 (2007/10/02)

An antitumor alkaloid, sinococuline 81), and its C-6 and/or C-7 epimeric analogs 3-5 have been synthesized from sinomenine (2).The carbonyl transposition from 9 to 8 using selenoxide chemistry proceeded in an efficient manner.Successive C-6 hydroxylation

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