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625853-19-2

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625853-19-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 625853-19-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,2,5,8,5 and 3 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 625853-19:
(8*6)+(7*2)+(6*5)+(5*8)+(4*5)+(3*3)+(2*1)+(1*9)=172
172 % 10 = 2
So 625853-19-2 is a valid CAS Registry Number.

625853-19-2Relevant articles and documents

PROPANOLAMINE DERIVATIVES, PROCESS FOR PREPARATION OF 3-N-METHYLAMINO-1-(2-THIENYL)-1-PROPANOLS AND PROCESS FOR PREPARATION OF PROPANOLAMINE DERIVATIVES

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Page/Page column 31, (2010/02/10)

The present invention provides means for preparing a racemate or an optically active substance (S- or R-isomer) of 3-N-methylamino-1-(2-thienyl)-1-propanol represented by the following general formula (I): wherein R1 represents any of a hydrogen atom, a C1-8 acyl group, a substituted or substituted C1-8 alkyloxycarbonyl group and a substituted or substituted phenyloxycarbonyl group and R2 represents any of a hydrogen atom, a C1-8 alkyl group, a substituted or substituted benzyl group, a C1-8 acyl group, a substituted or substituted C1-8 alkyloxycarbonyl group and a substituted or substituted phenyloxycarbonyl group, with the exception that R1 is a hydrogen atom and R2 is a methyl group or a hydrogen atom, in a simple manner at low cost and in high yield.

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