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232931-63-4

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232931-63-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 232931-63-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,3,2,9,3 and 1 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 232931-63:
(8*2)+(7*3)+(6*2)+(5*9)+(4*3)+(3*1)+(2*6)+(1*3)=124
124 % 10 = 4
So 232931-63-4 is a valid CAS Registry Number.

232931-63-4Upstream product

232931-63-4Relevant articles and documents

Linker Length Modulates DNA Cross-Linking Reactivity and Cytotoxic Potency of C8/C8′ Ether-Linked C2-exo-Unsaturated Pyrrolo[2,1-c][1,4]benzodiazepine (PBD) Dimers

Gregson, Stephen J.,Howard, Philip W.,Gullick, Darren R.,Hamaguchi, Anzu,Corcoran, Kathryn E.,Brooks, Natalie A.,Hartley, John A.,Jenkins, Terence C.,Patel, Sejal,Guille, Matthew J.,Thurston, David E.

, p. 1161 - 1174 (2007/10/03)

A C2/C2′-exo-unsaturated pyrrolo[2,1-c][1,4]benzodiazepine (PBD) dimer 4b (DRG-16) with a C8-O(CH2)nO-C8′ diether linkage (n = 5) has been synthesized that shows markedly superior in vitro cytotoxic potency (e.g., > 3400-fold in IGRO

Pyrrolobenzodiazepines

-

Page 53, 111, (2010/11/29)

Compounds of the formulae Ia and Ib: wherein:A is CH2, or a single bond;R2 is selected from: R, OH, OR, CO2H, CO2R, COH, COR, SO2R, CN;R6, R7 and R9 are independently selected from H, R, OH, OR, halo, amino, NHR, nitro, Me3Sn;and R8 is selected from H, R, OH, OR, halo, amino, NHR, nitro, Me3Sn, where R is as defined above, or the compound is a dimer with each monomer being the same or different and being of formula Ia or Ib, where the R8 groups of the monomers form together a bridge having the formula -X-R'-X- linking the monomers, where R' is an alkylene chain containing from 3 to 12 carbon atoms, which chain may be interrupted by one or more hetero-atoms and/or aromatic rings and may contain one or more carbon-carbon double or triple bonds, and each X is independently selected from O, S, or N; except that in a compound of formula Ia when A is a single bond, then R2 is not CH=CH(CONH2) or CH=CH(CONMe2). Other related compounds are also disclosed.

Synthesis of the first example of a C2-C3/C2'-C3'-endo unsaturated pyrrolo[2,1-c][1,4]benzodiazepine dimer.

Gregson,Howard,Corcoran,Jenkins,Kelland,Thurston

, p. 2859 - 2862 (2007/10/03)

We report the first example of a C2-C3/C2'-C3'-endo unsaturated pyrrolo[2,1-c][1,4]benzodiazepine (PBD) dimer 16 synthesised through a new and efficient route, thus establishing that C2-C3-endo unsaturation enhances both cytotoxicity and DNA-binding affin

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