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33001-49-9

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33001-49-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 33001-49-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,0,0 and 1 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 33001-49:
(7*3)+(6*3)+(5*0)+(4*0)+(3*1)+(2*4)+(1*9)=59
59 % 10 = 9
So 33001-49-9 is a valid CAS Registry Number.

33001-49-9Downstream Products

33001-49-9Relevant articles and documents

SYNTHESE DE 1,2,3-TRIAZOLINES PAR CYCLOADDITION DIPOLAIRE-1,3 DE DIAZOALCANES A DES ESTERS D'OXIMES

Perrocheau, J.,Carrie, R.

, p. 749 - 760 (2007/10/02)

Oximino-cyanacetic or malonesters 1, 2, 3 and 4 lead with diazoalcanes RCHN2 (R = H, CH3, Ph) to 1,2,3-triazolines.These triazolines present a low stability, however they are obtained crystallized with good yields.They are fully characterized and orientation of the cycloaddition is established.

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