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1202208-33-0

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1202208-33-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1202208-33-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,2,2,0 and 8 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1202208-33:
(9*1)+(8*2)+(7*0)+(6*2)+(5*2)+(4*0)+(3*8)+(2*3)+(1*3)=80
80 % 10 = 0
So 1202208-33-0 is a valid CAS Registry Number.

1202208-33-0Relevant academic research and scientific papers

Synthesis and structure of novel 1,2,4-triazole derivatives containing the 2,4-dinitrophenylthio group

Ding, Qichun,Lei, Xinxiang,Jin, Jianyu,Zhang, Lixue,Du, Huiai,Zhang, Haile

experimental part, p. 114 - 119 (2009/10/02)

Some novel 1,2,4-triazole derivatives containing the 2,4-dinitrophenylthio group have been synthesised in high yields by means of the reactions of 3-substituted-4-amino -1H-1,2,4-triazole-5(4H)-thiones or (S-3-aryl-4- (benzylideneamino)-1H-l,2,4-triazole-5(4H)-thiones with 1-chloro-2,4- dinitrobenzene. The (S-3-aryl-4-(benzylideneamino)-1H-1,2,4-triazole-5(4H)- thiones were prepared by the reaction of 4-amino-3-aryl-2H-1,2,4-triazole-3(4H)- thiones and diverse aromatic aldehydes. The 2, 4-dinitrophenyl group linked to the S atom, not to the N atom, was confirmed by the crystal structures. The structures of all the compounds were determined by elemental analysis, IR, MS, 1H NMR and 13C NMR.

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