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16956-92-6

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16956-92-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 16956-92-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,9,5 and 6 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 16956-92:
(7*1)+(6*6)+(5*9)+(4*5)+(3*6)+(2*9)+(1*2)=146
146 % 10 = 6
So 16956-92-6 is a valid CAS Registry Number.

16956-92-6Relevant articles and documents

Fluoride Ion-Catalyzed Generation and Carbonyl Addition of α-Halo Carbanions Derived from α-Halo Organosilicon Compounds

Fujita, Makoto,Obayashi, Michio,Hiyama, Tamejiro

, p. 4135 - 4146 (2007/10/02)

The title carbanion species are generated from the corresponding α-haloorganosilicon compounds by the action of a catalytic amount of tris(diethylamino)sulfonium difluorotrimethylsilicate and are found to undergo addition to aldehyde carbonyl efficiently at ambient temperature.The synthetic potential of the reaction is demonstrated by application to the synthesis of some insecticides.

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