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113884-67-6

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113884-67-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 113884-67-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,3,8,8 and 4 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 113884-67:
(8*1)+(7*1)+(6*3)+(5*8)+(4*8)+(3*4)+(2*6)+(1*7)=136
136 % 10 = 6
So 113884-67-6 is a valid CAS Registry Number.

113884-67-6Downstream Products

113884-67-6Relevant articles and documents

Chemical modification of an antitumor alkaloid, 20(S)-camptothecin: Glycosides, phosphates and sulfates of 7-ethyl-10-hydroxycamptothecin

Yaegashi,Nokata,Sawada,Furuta,Yokokura,Miyasaka

, p. 131 - 135 (2007/10/02)

Water-soluble derivatives having the lactone ring intact were synthesized starting from 7-ethyl-10-hydroxycamptothecin (1). Glycosides (2) of the phenolic hydroxyl group of 1 were obtained by reaction with acetylated α-bromosugars in acetone or aqueous ac

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