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656233-40-8

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656233-40-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 656233-40-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,5,6,2,3 and 3 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 656233-40:
(8*6)+(7*5)+(6*6)+(5*2)+(4*3)+(3*3)+(2*4)+(1*0)=158
158 % 10 = 8
So 656233-40-8 is a valid CAS Registry Number.

656233-40-8Relevant articles and documents

Synthesis and evaluation of a DHA and 10-hydroxycamptothecin conjugate

Wang, Yuqiang,Li, Lianfa,Jiang, Wei,Larrick, James W.

, p. 5592 - 5599 (2005)

We have synthesized a conjugate of cis-4,7,10,13,16,19-docosahexenoic acid (DHA) and 10-hydroxycamptothecin (HCPT), DHA-HCPT. The antitumor activity of DHA-HCPT was evaluated in vitro against L1210 leukemia cells and in experimental animal tumor models in

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