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90381-85-4

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90381-85-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90381-85-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,3,8 and 1 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 90381-85:
(7*9)+(6*0)+(5*3)+(4*8)+(3*1)+(2*8)+(1*5)=134
134 % 10 = 4
So 90381-85-4 is a valid CAS Registry Number.

90381-85-4Downstream Products

90381-85-4Relevant articles and documents

Stereochemistry in the Knoevenagel Reaction of Methyl Arylsulphinylacetate and Aldehydes

Tanikaga, Rikuhei,Konya, Naoto,Tamura, Tadashi,Kaji, Aritsune

, p. 825 - 830 (2007/10/02)

The stereochemistry of the mechanism of the amine-catalyzed Knoevenagel reaction has been studied.Simple treatment of methyl arylsulphinylacetate (1) and aldehydes (2) with a catalytic amount of a secondary amine produced thermodynamically stable E-alkene

Selective Synthesis of α-Sulphenyl-, α-Sulphinyl-, and α-Sulphonyl-α,β-unsaturated Carbonyl Compounds by the Knoevenagel Reaction

Tanikaga, Rikuhei,Tamura, Tadashi,Nozaki, Yoshihito,Kaji, Aritsune

, p. 87 - 88 (2007/10/02)

Simple treatment of aldehydes with the carbonyl compounds (1) 2COCH2S(O)nAr; n = 0, 1, 2> and piperidine stereoselectively produces the condensation products (7), the stereochemistry of which is controlled by the steric requirements of two fu

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