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91145-94-7

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91145-94-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91145-94-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,1,4 and 5 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 91145-94:
(7*9)+(6*1)+(5*1)+(4*4)+(3*5)+(2*9)+(1*4)=127
127 % 10 = 7
So 91145-94-7 is a valid CAS Registry Number.

91145-94-7Downstream Products

91145-94-7Relevant articles and documents

Phase-transfer catalysed (PTC) reactions of 1,1-dichloro-2-cyanocyclopropane with nucleophiles. Identification of intermediates

Jonczyk, Andrzej,Kocmierowski, Tomasz,Zdrojewski, Tadeusz

, p. 295 - 299 (2007/10/03)

An addition-elimination mechanism for PTC reactions of phenols with 1,1-dichloro-2-cyanocyclopropane (1) is supported by trapping of intermediate cyclopropenes 3 and 5. PTC reactions of 1 with a series of phenols 2a-d, thiophenol (2e), alcohols 2f,g and dithioles 11a,b led to formation of disubstituted cyanocyclopropanes 6a-d, 6e, 6f,g or spiroproducts 12a,b, respectively. Under acidic conditions or thermally, dialkoxycyclopropanes 6f,g or spirane 12a were transformed into alkyl 3-cyanopropionates 10f,g and ketene dithioacetal 13a.

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