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1298086-20-0

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1298086-20-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1298086-20-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,9,8,0,8 and 6 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1298086-20:
(9*1)+(8*2)+(7*9)+(6*8)+(5*0)+(4*8)+(3*6)+(2*2)+(1*0)=190
190 % 10 = 0
So 1298086-20-0 is a valid CAS Registry Number.

1298086-20-0Downstream Products

1298086-20-0Relevant articles and documents

Commercial route research and development for SGLT2 inhibitor candidate ertugliflozin

Bowles, Paul,Brenek, Steven J.,Caron, Stephane,Do, Nga M.,Drexler, Michele T.,Duan, Shengquan,Dube, Pascal,Hansen, Eric C.,Jones, Brian P.,Jones, Kris N.,Ljubicic, Tomislav A.,Makowski, Teresa W.,Mustakis, Jason,Nelson, Jade D.,Olivier, Mark,Peng, Zhihui,Perfect, Hahdi H.,Place, David W.,Ragan, John A.,Salisbury, John J.,Stanchina, Corey L.,Vanderplas, Brian C.,Webster, Mark E.,Weekly, R. Matt

, p. 66 - 81 (2014/05/20)

A practical synthesis of SGLT2 inhibitor candidate ertugliflozin (1) has been developed for potential commercial application. The highly telescoped process involves only three intermediate isolations over a 12-step sequence. The dioxabicyclo[ 3.2.1]octane motif is prepared from commercially available 2,3,4,6-tetra-O-benzyl-D-glucose, with nucleophilic hydroxymethylation of a 5-ketogluconamide intermediate as a key step. The aglycone moiety is introduced via aryl anion addition to a methylpiperazine amide. High chemical purity of the API is assured through isolation of the crystalline penultimate intermediate, tetraacetate 39. A cocrystalline complex of the amorphous solid 1 with L-pyroglutamic acid has been prepared in order to improve the physical properties for manufacture and to ensure robust API quality.

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