Cas 90255-54-2,C<sub>28</sub>H<sub>18</sub>ClP

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Check Digit Verification of cas no

The CAS Registry Mumber 90255-54-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,2,5 and 5 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 90255-54:
(7*9)+(6*0)+(5*2)+(4*5)+(3*5)+(2*5)+(1*4)=122
122 % 10 = 2
So 90255-54-2 is a valid CAS Registry Number.

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90255-54-2Relevant articles and documents

Synthesis of Triphenylphosphane-en-ynes and Phosphindoles as well as X-Ray Analyses of two Phosphindoles

Butters, Thomas,Winter, Werner

, p. 990 - 1002 (2007/10/02)

By means of aminochlorophenylphosphanes triphenylphosphanes are prepared, in which the o-positions are optionally substituted by trans-phenylethenyl and phenylethinyl groups (4a - c and 5a - c).Surprisingly, the intermediate chlorophosphanes 3a and c can

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90255-54-2