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129625-11-2

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129625-11-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 129625-11-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,6,2 and 5 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 129625-11:
(8*1)+(7*2)+(6*9)+(5*6)+(4*2)+(3*5)+(2*1)+(1*1)=132
132 % 10 = 2
So 129625-11-2 is a valid CAS Registry Number.

129625-11-2Relevant articles and documents

Reaction de tetrafluoroborates de composes de Reissert avec des esters-α,β-ethyleniques gem-disubstitues. Rearrangement des derives du 3H-pyrrole obtenus en derives du 1H-pyrrole

Perrin, Sandrine,Monnier, Karin,Laude, Bernard

, p. 777 - 784 (2007/10/03)

3H-Pyrrole-3-carboxylic esters 8 have been prepared by reaction of suitably gem-disubstituted α,β-ethylenic esters 3 with two Reissert compound tetrafluoroborate salts.Prolonged heating in toluene converts the 3H-pyrroles 8 quantitatively into isomeric 4-

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