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234112-29-9

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234112-29-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 234112-29-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,3,4,1,1 and 2 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 234112-29:
(8*2)+(7*3)+(6*4)+(5*1)+(4*1)+(3*2)+(2*2)+(1*9)=89
89 % 10 = 9
So 234112-29-9 is a valid CAS Registry Number.

234112-29-9Relevant articles and documents

Annulation of functionalized hexadienones as an efficient regioselective approach to N-aryl-2-(trifluoromethyl)-4-pyridinamines

Cocco, Maria T.,Congiu, Cenzo,Onnis, Valentina

, p. 4407 - 4410 (2007/10/03)

Readily accessible fluorinated N-arylenaminones 3 were reacted with N,N- dimethylformamide dimethylacetal to produce functionalized hexadienones 4. Ring closure of 4 with ammonium acetate afforded selectively N-aryl-2- (trifluoromethyl)-4-pyridinamines 5

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