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91751-60-9

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91751-60-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91751-60-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,7,5 and 1 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 91751-60:
(7*9)+(6*1)+(5*7)+(4*5)+(3*1)+(2*6)+(1*0)=139
139 % 10 = 9
So 91751-60-9 is a valid CAS Registry Number.

91751-60-9Downstream Products

91751-60-9Relevant articles and documents

A CONVENIENT SYNTHETIC METHOD OF 1-ACYL-2-ARYL-3,3-DIMETHYLINDOLINE INVOLVING ISOLABLE DIASTEREOMERIC ATROPISOMERS

Kitamura, Takeo,Koga, Toshitaka,Taguchi, Tanezo,Harano, Kazunobu

, p. 1315 - 1318 (2007/10/02)

The synthesis of 1-acyl-2-aryl-3,3-dimethylindoline was improved by the reaction of 1-acyl-2-hydroxy-3,3-dimethylindoline with an arene in the presence of BF3*O(C2H5)2 in dioxane, and stable diastereomeric atropisomers were isolated as products when the a

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