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31024-89-2

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31024-89-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 31024-89-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,0,2 and 4 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 31024-89:
(7*3)+(6*1)+(5*0)+(4*2)+(3*4)+(2*8)+(1*9)=72
72 % 10 = 2
So 31024-89-2 is a valid CAS Registry Number.

31024-89-2Relevant articles and documents

Selective mono addition of aryllithiums to dialdehydes by micromixing

Nagaki, Aiichiro,Yamashita, Hiroki,Takahashi, Yusuke,Ishiuchi, Satoshi,Imai, Keita,Yoshida, Jun-Ichi

supporting information, p. 71 - 73 (2018/01/26)

Micromixing enables highly selective mono addition of aryllithiums to dialdehydes. Because the unchanged formyl group in the products can be used for further transformations, the present approach serves as a powerful method for protecting-group-free synthesis.

An unusual chemoselective oxidation strategy by an unprecedented exploration of an electrophilic center of DMSO: A new facet to classical DMSO oxidation

Chebolu, Rajesh,Bahuguna, Ashish,Sharma, Reena,Mishra, Vivek Kumar,Ravikumar

supporting information, p. 15438 - 15441 (2015/10/20)

A conceptually new dimethyl sulfoxide (DMSO) based oxidation process without the use of any activator has been demonstrated for the oxidation of active methylenes and benzhydrols. The developed protocol utilizes the electrophilic center of DMSO for oxidation, which was unexplored before. Mechanistic investigation has confirmed that the source of oxygen is DMSO.

Steric control in the synthesis of p-benziporphyrins. formation of a doubly n-confused benzihexaphyrin macrocycle

Stepien, Marcin,Szyszko, Bartosz,Latos-Grazynski, Lechostaw

supporting information; experimental part, p. 3930 - 3933 (2009/12/05)

The use of 1,4-phenylene-containing tripyrrane analogs provides a general route to expanded p-benziporphyrins. The course of macrocyclization shows a striking dependence on the steric bulk of meso substituents.

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