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199175-52-5

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199175-52-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 199175-52-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,9,1,7 and 5 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 199175-52:
(8*1)+(7*9)+(6*9)+(5*1)+(4*7)+(3*5)+(2*5)+(1*2)=185
185 % 10 = 5
So 199175-52-5 is a valid CAS Registry Number.

199175-52-5Downstream Products

199175-52-5Relevant articles and documents

Rhenium catalyzed sulfurization of phosphorus(III) compounds with thiiranes: New reagents for phosphorothioate ester synthesis

Arterburn, Jeffrey B.,Perry, Marc C.

, p. 7701 - 7704 (1997)

A new method for the mild sulfurization of phosphorus(III) compounds with thiiranes catalyzed by ReOCl3(PPh3)2 (I) or ReOCl3(SMe2)OPPh3) (II) is reported. The novel catalytic sulfur transfer reactions are rapid and occur efficiently under ambient conditions in organic solvents. This methodology enabled propylene sulfide to be used as a sulfurizing agent for the synthesis of a protected nucleotide phosphorothioate ester.

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