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40104-29-8

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40104-29-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 40104-29-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,1,0 and 4 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 40104-29:
(7*4)+(6*0)+(5*1)+(4*0)+(3*4)+(2*2)+(1*9)=58
58 % 10 = 8
So 40104-29-8 is a valid CAS Registry Number.

40104-29-8Downstream Products

40104-29-8Relevant articles and documents

Synthesis of 2-amino-1,3,4-oxadiazoles and 2-Amino-1,3,4-thiadiazoles via sequential condensation and I2-mediated oxidative C-O/C-S bond formation

Niu, Pengfei,Kang, Jinfeng,Tian, Xianhai,Song, Lina,Liu, Hongxu,Wu, Jie,Yu, Wenquan,Chang, Junbiao

, p. 1018 - 1024 (2015/01/30)

2-Amino-substituted 1,3,4-oxadiazoles and 1,3,4-thiadiazoles were synthesized via condensation of semicarbazide/thiosemicarbazide and the corresponding aldehydes followed by I2-mediated oxidative C-O/C-S bond formation. This transition-metal-free sequential synthesis process is compatible with aromatic, aliphatic, and cinnamic aldehydes, providing facile access to a variety of diazole derivatives bearing a 2-amino substituent in an efficient and scalable fashion.

New thiosemicarbazones, active against pox viruses

Winkelmann,Rolly

, p. 1704 - 1713 (2007/10/06)

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