159968-28-2 Usage
Physical state
Colorless to pale yellow liquid
Solubility
Insoluble in water, soluble in organic solvents
Uses
a. Intermediate in the synthesis of chemicals (dyes, pharmaceuticals)
b. Reagent in organic chemistry for preparation of various derivatives
Reactivity
Known for its reactivity
Safety precautions
a. Strong irritant to skin, eyes, and respiratory system
b. Handle with care
c. Use in well-ventilated area
d. Appropriate personal protective equipment required
Check Digit Verification of cas no
The CAS Registry Mumber 159968-28-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,9,9,6 and 8 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 159968-28:
(8*1)+(7*5)+(6*9)+(5*9)+(4*6)+(3*8)+(2*2)+(1*8)=202
202 % 10 = 2
So 159968-28-2 is a valid CAS Registry Number.
159968-28-2Relevant articles and documents
Process for preparation of arenebisphosphine oxides
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, (2008/06/13)
Arenebisphosphine oxides of the general formula STR1 where R1 to R4 independently of one another are each hydrogen, C1 -C6 -alkyl, C1 -C6 -alkoxy, C5 -C10 -aryl, C5 -C12 -aryloxy or C7-C14 -arylalkoxy, R5 and R6 independently of one another may each be C1 -C6 -alkyl, C5 -C10 -cycloalkyl or C5 -C12 -aryl, each of which may furthermore contain one or two nitrogen or sulfur atoms in the ring system or carry one or two halogen atoms or C1 -C6 -alkyl or C1 -C6 -alkoxy groups as substituent on the ring system, or C1 -C6 -alkoxy, C3 -C8 -alkoxyalkoxy, C5 -C12 -aryloxy or C7 -C14 -arylalkoxy, or R5 and R6 together form a bridge of 2 to 10 carbon atoms, in which some of the carbon atoms may furthermore be part of an aromatic ring.
