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1268635-18-2

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1268635-18-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1268635-18-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,8,6,3 and 5 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1268635-18:
(9*1)+(8*2)+(7*6)+(6*8)+(5*6)+(4*3)+(3*5)+(2*1)+(1*8)=182
182 % 10 = 2
So 1268635-18-2 is a valid CAS Registry Number.

1268635-18-2Downstream Products

1268635-18-2Relevant articles and documents

NEW PROCESS FOR THE PREPARATION OF TAPENTADOL AND INTERMEDIATES THEREOF

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, (2011/06/25)

The present invention refers to a new process for the synthesis of tapentadol comprising the quantitative resolution of the racemic mixture (V) to obtain the stereoisomer of (S)-3-(dimethylamino)-2-methyl-l-(3-nitrophenyl)-propan-l-one (VII) according to

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