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133577-98-7

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133577-98-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 133577-98-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,5,7 and 7 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 133577-98:
(8*1)+(7*3)+(6*3)+(5*5)+(4*7)+(3*7)+(2*9)+(1*8)=147
147 % 10 = 7
So 133577-98-7 is a valid CAS Registry Number.

133577-98-7Downstream Products

133577-98-7Relevant articles and documents

Reductive self-coupling reaction of imines and aldehydes induced by strontium metal

Miyoshi, Norikazu,Kohno, Tadashi,Wada, Makoto,Matsunaga, Sei,Mizota, Isao,Shimizu, Makoto

experimental part, p. 984 - 985 (2012/10/18)

Aromatic aldimines reacted with Sr in the presence of a catalytic amount of iodine to give self-coupling products in good yields, whereas aromatic and aliphatic aldehydes underwent a similar reaction effected by the combined use of Sr and Al(OEt)3. Copyright

dl-SElective pinacol-type coupling using zinc, chlorosilane, and catalytic amounts of Cp2VCl2; dl-1,2-dicyclohexylethanediol: (1,2-ethanediol,1,2-dicyclohexyl-)

Hirao, Toshikazu,Ogawa, Akiya,Asahara, Motoki,Muguruma, Yasuaki,Sakurai, Hidehiro,Krause, Helga,Fürstner, Alois

, p. 26 - 32 (2017/09/28)

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Efficient diastereoselective pinacol reaction of aliphatic and aromatic aldehydes by combined use of newly utilized titanium(II) bromide and copper

Mukaiyama, Teruaki,Kagayama, Akifumi,Igarashi, Koji

, p. 336 - 337 (2007/10/03)

Newly utilized low-valent titanium reductant, titanium(II) bromide, was conveniently prepared by treating titanium(IV) bromide with hexamethyldisilane. The pinacol reaction of aromatic and aliphatic aldehydes including primary aldehydes proceeded smoothly in dichloromethane-pivalonitrile at temperatures ranging from -23 to 0 °C by the combined use of soluble titanium(II) bromide and copper to give 1,2-diols in good to high yields with good to high dl-selectivities.

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