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205034-11-3

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205034-11-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 205034-11-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,5,0,3 and 4 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 205034-11:
(8*2)+(7*0)+(6*5)+(5*0)+(4*3)+(3*4)+(2*1)+(1*1)=73
73 % 10 = 3
So 205034-11-3 is a valid CAS Registry Number.

205034-11-3Relevant articles and documents

Synthesis of a new class of camptothecin derivatives, the long-chain fatty acid esters of 10-hydroxycamptothecin, as a potent prodrug candidate, and their in vitro metabolic conversion by carboxylesterases

Takayama, Hiromitsu,Watanabe, Akihito,Hosokawa, Masakiyo,Chiba, Kan,Satoh, Tetsuo,Aimi, Norio

, p. 415 - 418 (2007/10/03)

Five (20S)-10-hydroxycamptothecin derivatives carrying the long-chain fatty acid eaters were prepared for the development of a new class of prodrug-type agents. In vitro experiments using three kinds of purified carboxylesterase isozymes from the liver microsomes of rat, pig, and human demonstrated that these derivatives were efficiently metabolized by enzymes compared with CPT-11.

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