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242132-31-6

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242132-31-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 242132-31-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,4,2,1,3 and 2 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 242132-31:
(8*2)+(7*4)+(6*2)+(5*1)+(4*3)+(3*2)+(2*3)+(1*1)=86
86 % 10 = 6
So 242132-31-6 is a valid CAS Registry Number.

242132-31-6Downstream Products

242132-31-6Relevant articles and documents

Synthesis of cyclenphosphoranes with polyfluorophenyl substituents; An X-ray structure of N-methyl cyclen-p-(heptafluorotolyl)phosphorane

Gupta,Kirchmeier, Robert L.,Shreeve, Jeanine M.

, p. 223 - 228 (1999)

The metathesis reactions between the lithiated derivative of cyclenphosphorane (2) and octafluorotoluene, hexafluorobenzene, pentafluorobenzonitrile, pentafluoronitrobenzene, pentafluoro-n-butylbenzene, pentafluorobenzene and p-(cyanotetrafluorophenoxy-pentafluorobenzene) under reflux conditions gave cyclen-p-(heptafluorotolyl)phosphorane (3), cyclen-p-(pentafluorophenyl)phosphorane (4), cyclen-p-(cyanotetrafluorophenyl)phosphorane (5), cyclen-p-(tetrafluoronitrophenyl)phosphorane (6), cyclen-p-(n-butyltetrafluorophenyl)phosphorane (7), cyclen-p-(tetrafluorophenyl)phosphorane (8) and cyclen-p-(p-cyanotetrafluoro-phenoxytetrafluorophenyl)phosphorane (9), respectively, in good yields. All products were characterized by spectral and analytical techniques. These materials are moderately stable thermally but are moisture sensitive, hydrolyzing to form cyclen phosphine oxide (10). Addition of CH3I to 3 affords the phosphoammonium iodide (11). The X-ray crystal structure of 11 was obtained. The crystal is triclinic with a space group P1. The unit cell parameters a=7.8652(2) A, b=8.584(2) A, c=22.1573(3) A; α=80.9010(10)°; β=79.2490(10)°; γ=76.9930(10)°; and Z=2.

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