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127877-42-3

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127877-42-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 127877-42-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,8,7 and 7 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 127877-42:
(8*1)+(7*2)+(6*7)+(5*8)+(4*7)+(3*7)+(2*4)+(1*2)=163
163 % 10 = 3
So 127877-42-3 is a valid CAS Registry Number.

127877-42-3Relevant articles and documents

Examination of the Dipolarophilicity of Ethylene and Nitrile Functions in the Cycloaddition of Mesitonitrile Oxide to Isopropylidenemalononitrile

Lianis, P. S.,Rodios, N. A.,Alexandrou, N. E.

, p. 1683 - 1686 (2007/10/02)

Mesitonitrile oxide reacts with isopropylidenemalononitrile to give mono- and bis-1,2,4-oxadiazole derivatives 2 and 3 and Δ2-oxazolines 4 and 5 in moderate yields.The dipolarophilic character of the ethylene and nitrile functions in these cycl

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