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1539221-44-7

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1539221-44-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1539221-44-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,3,9,2,2 and 1 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1539221-44:
(9*1)+(8*5)+(7*3)+(6*9)+(5*2)+(4*2)+(3*1)+(2*4)+(1*4)=157
157 % 10 = 7
So 1539221-44-7 is a valid CAS Registry Number.

1539221-44-7Relevant articles and documents

PROCESS FOR THE PREPARATION OF 2-(3-N,N-DIISOPROPYLAMINO-1-PHENYLPROPYL)-4-HYDROXYMETHYL-PHENOL AND ITS DERIVATIVES

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, (2014/02/15)

The invention concerns a process for the preparation of 2-(3-N,N- diisopropylamino-l-phenylpropyl)-4-hydroxymethyl-phenol and its derivatives, particularly the corresponding (R) 4-trityloxymethyl derivative, useful as intermediate form in the synthesis of Fesoterodine and its salts, in particular for the preparation of Fesoterodine fumarate salt.

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