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190278-34-3

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190278-34-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 190278-34-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,0,2,7 and 8 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 190278-34:
(8*1)+(7*9)+(6*0)+(5*2)+(4*7)+(3*8)+(2*3)+(1*4)=143
143 % 10 = 3
So 190278-34-3 is a valid CAS Registry Number.

190278-34-3Downstream Products

190278-34-3Relevant articles and documents

Synthesis and structure-activity relationship study of lamellarin derivatives

Ishibashi, Fumito,Tanabe, Shinji,Oda, Tatsuya,Iwao, Masatomo

, p. 500 - 504 (2007/10/03)

Ten derivatives (3-12) of marine alkaloid lamellarin D (1) were synthesized and evaluated for cytotoxicity against a HeLa cell line in an effort to examine their structure-activity relationships. It appeared that the hydroxyl groups at positions C-8 and C-20 of 1 were important structural requirements for cytotoxic activity, while the hydroxyl group at C-14 and the two methoxy groups at C-13 and C-21 were not necessary for the activity.

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