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172734-92-8

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172734-92-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 172734-92-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,7,3 and 4 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 172734-92:
(8*1)+(7*7)+(6*2)+(5*7)+(4*3)+(3*4)+(2*9)+(1*2)=148
148 % 10 = 8
So 172734-92-8 is a valid CAS Registry Number.

172734-92-8Downstream Products

172734-92-8Relevant articles and documents

Crystalline forms of osanetant

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Page 4, (2010/02/05)

The invention relates to crystalline forms of (R)-(+)-N-[[3-[1-benzoyl-3-(3,4-dichlorophenyl)piperidin-3-yl]prop-1-yl]-4-phenylpiperidin-4-yl]-N-methylacetamide and to processes for preparing them.

A practical and scalable synthesis of SR 142801, a tachykinin NK3 antagonist

Chen, Huai G.,Chung,Goel,Johnson,Kesten,Knobelsdorf,Lee,Rubin

, p. 555 - 560 (2007/10/03)

A practical and scalable total synthesis of tachykinin NK3 receptor antagonist SR 142801, (R)-N-[1-[3-[1-benzoyl-3-(3,4-dichlorophenyl)-3-piperidinyl]propyl]-4-phenyl-4 -piperidinyl]-N-methyl acetamide 1 is described. The absolute configuration of the key intermediate 7 was determined by single crystal X-ray crystallography, on the basis of which, the absolute configuration of SR 142801 should be (R)-(+), instead of the recently reported (S)-(+).

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