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6587-97-9

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6587-97-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6587-97-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,5,8 and 7 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 6587-97:
(6*6)+(5*5)+(4*8)+(3*7)+(2*9)+(1*7)=139
139 % 10 = 9
So 6587-97-9 is a valid CAS Registry Number.

6587-97-9Relevant articles and documents

A GENERAL SYNTHESIS OF OPTICALLY ACTIVE PHOSPHINES, PHOSPHINITES AND THIOPHOSPHINITES FROM ALKYLTHIO(ALKYLSELENO)PHOSPHONIUM SALTS AND TRIS(DIMETHYLAMINO)PHOSPHINE AS A THIOPHILIC AGENT

Omelanczuk, J.,Mikolajczyk, M.

, p. 2493 - 2496 (2007/10/02)

Tris(dimethylamino)phosphine was found to be a suitable thiophilic reagent which converts optically active alkylthio(alkylseleno)phosphonium salts into chiral tertiary phosphines and phosphonites with a high stereoselectivity.The first synthesis of optically active thiophosphinites from bis(alkylthio)phosphonium salts and tris(dimethylamino)phosphine is also reported.

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