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545338-88-3

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545338-88-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 545338-88-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,4,5,3,3 and 8 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 545338-88:
(8*5)+(7*4)+(6*5)+(5*3)+(4*3)+(3*8)+(2*8)+(1*8)=173
173 % 10 = 3
So 545338-88-3 is a valid CAS Registry Number.

545338-88-3Relevant articles and documents

Synthesis of [3-[2-(dimethylamino)ethyl]-2-[[3-(dimethylamino)ethyl]-1H-indol-5-yl] methyl]-1H-indol-5-yl]-N-methylmethanesulfonamide - The main sumatriptane impurity

Skwierawska,Paluszkiewicz

, p. 329 - 332 (2007/10/03)

Alkylation of sumatriptane in position 2 by 3-[2-(dimethylamino)ethyl]-5-indolemethanol has been described. Alternative multistep synthesis of 3-[2-(dimethylamino)ethyl]-5-indolemethanol has been presented.

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