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501332-92-9

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501332-92-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 501332-92-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,1,3,3 and 2 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 501332-92:
(8*5)+(7*0)+(6*1)+(5*3)+(4*3)+(3*2)+(2*9)+(1*2)=99
99 % 10 = 9
So 501332-92-9 is a valid CAS Registry Number.

501332-92-9Relevant articles and documents

A new synthesis of 6-substituted pyrido [2,3-d]pyrimidines

Kuwada, Takeshi,Harada, Kenichi,Nobuhiro, Junko,Choshi, Tominari,Hibino, Satoshi

, p. 2081 - 2090 (2007/10/03)

The reaction of the β-methylsulfanylacroleins, derived from alkenyl sulfides by the Vilsmeier reaction, with 6-aminouracils or 2,6-diaminouracil, provides a new synthetic route to the 6-substituted pyrido[2,3-d]pyrimidines by two methods, the reaction mec

A CONVENIENT MATHOD FOR PREPARATION OF 1-(METHYLTHIO) AND 1-(PHENYLTHIO)VINYLLITHIUM REAGENTS

Takeda, Takeshi,Furukawa, Hiroyuki,Fujiwara, Tooru

, p. 593 - 596 (2007/10/02)

1-(Methylthio) and 1-(phenylthio)vinyllithiums were prepared by the treatment of the corresponding 2-methoxyethyl sulfides with twice molar amounts of butyllithium in the presence of N,N,N',N'-tetramethylethylenediamine (TMEDA). β-Alkylthio-β,γ-unsaturated alcohols were obtained in good yields by the reaction of the lithium salts with aldehydes.

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