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177018-39-2

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177018-39-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 177018-39-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,7,0,1 and 8 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 177018-39:
(8*1)+(7*7)+(6*7)+(5*0)+(4*1)+(3*8)+(2*3)+(1*9)=142
142 % 10 = 2
So 177018-39-2 is a valid CAS Registry Number.

177018-39-2Relevant articles and documents

A Separation Procedure for the Preparation of Enantiomerically Pure Midodrine

Noe,Knollmüller,G?rtner

, p. 159 - 165 (2007/10/03)

Racemic midodrine chlorohydrate (rac-1) was N-protected to yield the racemic products rac-2a-c. These were converted into the diastereomeric O-acetals 3a-c/4a-c, which can easily be separated by chromatography. After removal of the N- and O-protective gro

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