Cas 146855-75-6,1,1-dibromo-2,2-dimethyl-3-[1-(diphenylphosphinyl)ethylidene]cyclopropane

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Check Digit Verification of cas no

The CAS Registry Mumber 146855-75-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,6,8,5 and 5 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 146855-75:
(8*1)+(7*4)+(6*6)+(5*8)+(4*5)+(3*5)+(2*7)+(1*5)=166
166 % 10 = 6
So 146855-75-6 is a valid CAS Registry Number.

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146855-75-6Relevant academic research and scientific papers

Cumulated Trienephosphine Oxides. Bimolecular Trapping of an Alkylidenecyclopropylidene

Santelli-Rouvier, Christiane,Toupet, Lo?c,Santelli, Maurice

, p. 9039 - 9047 (2007/10/03)

Dihalocarbene addition to allenic phosphine oxides occurs mainly at the allylic double bond. Treatment of dibromocarbene adducts with BuLi leads to cumulated trienephosphine oxides. In some cases, the intermediate alkylidenecyclopropylidene (or its precur

Cumulated trienephosphine oxides. Trapping of an alkylidenecyclopropylidene

Santelli-Rouvier,Santelli

, p. 7843 - 7844 (2007/10/02)

Treatment by BuLi of dibromocarbene adducts on allenic phosphine oxides leads to alkylidenecyclopropylidene that, in one case, is an exceptional stabilized cyclopropylidene: This carbene is trapped by the corresponding cumulated trienephosphine oxide in a

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