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709640-13-1

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709640-13-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 709640-13-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,0,9,6,4 and 0 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 709640-13:
(8*7)+(7*0)+(6*9)+(5*6)+(4*4)+(3*0)+(2*1)+(1*3)=161
161 % 10 = 1
So 709640-13-1 is a valid CAS Registry Number.

709640-13-1Downstream Products

709640-13-1Relevant articles and documents

Facile total syntheses of idarubicinone-7-β-D-glucuronide: Convenient preparations of AB-ring synthon using some carboxylic acid derivatives

Rho, Young S.,Park, Jihyung,Kim, Gyuil,Kim, Hyesun,Sin, Hongsig,Suh, Pyoung Won,Yoo, Dong Jin

, p. 1703 - 1722 (2007/10/03)

Regiospecific syntheses of idarubicinone coupled with D-glucuronic acid are described. Cyclization of dimethoxybenzene with carboxylic acid derivatives in polyphosphoric acid (PPA) in one step afforded the naphthalenones 7, which were transformed to the (

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