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210346-61-5

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210346-61-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 210346-61-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,0,3,4 and 6 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 210346-61:
(8*2)+(7*1)+(6*0)+(5*3)+(4*4)+(3*6)+(2*6)+(1*1)=85
85 % 10 = 5
So 210346-61-5 is a valid CAS Registry Number.

210346-61-5Relevant articles and documents

Synthesis and antitumor activity of ring A- and F-modified hexacyclic camptothecin analogues

Sugimori, Masamichi,Ejima, Akio,Ohsuki, Satoru,Uoto, Kouichi,Mitsui, Ikuo,Kawato, Yasuyoshi,Hirota, Yasuhide,Sato, Keiki,Terasawa, Hirofumi

, p. 2308 - 2318 (2007/10/03)

Nineteen ring A- and F-modified hexacyclic analogues of camptothecin were synthesized by Friedlander condensation of appropriately substituted bicyclic amino ketones with tricyclic ketone and were evaluated for cytotoxicity and topoisomerase I inhibitory

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