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133031-44-4

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133031-44-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 133031-44-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,0,3 and 1 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 133031-44:
(8*1)+(7*3)+(6*3)+(5*0)+(4*3)+(3*1)+(2*4)+(1*4)=74
74 % 10 = 4
So 133031-44-4 is a valid CAS Registry Number.

133031-44-4Downstream Products

133031-44-4Relevant articles and documents

A facile and convenient synthetic method for fluorine-containing benz[c]acridines and dihydrobenz[c]acridines from N,N-dimethyl-1-naphthylamine

Hojo,Masuda,Okada,Tomifuji,Imazaki

, p. 1135 - 1137 (2007/10/02)

Aromatic nucleophilic nitrogen-nitrogen exchange reaction of N,N-dimethyl-2,4-bis(trifluoroacetyl)-1-naphthylamine (1) with p-substituted anilines gives the corresponding N-aryl-2,4-bis(trifluoroacetyl)-1-naphthylamines 2 in high yield. Acid-catalyzed cyc

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