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94143-86-9

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94143-86-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 94143-86-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,4,1,4 and 3 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 94143-86:
(7*9)+(6*4)+(5*1)+(4*4)+(3*3)+(2*8)+(1*6)=139
139 % 10 = 9
So 94143-86-9 is a valid CAS Registry Number.

94143-86-9Relevant articles and documents

N,N-Bis(trimethylsilyl)methoxymethylamine as a Convenient Synthetic Equivalent for +CH2NH2: Primary Aminomethylation of Esters

Okano, Kohji,Morimoto, Toshiaki,Sekiya, Minoru

, p. 883 - 884 (1984)

The introduction of a primary aminomethyl unit at the α position of esters can be achieved in high yield by the silyl trifluoromethanesulphonate-catalysed reaction of ketene silyl acetals (2) with N,N-bis(trimethylsilyl)methoxymethylamine (1).

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