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54833-65-7

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54833-65-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 54833-65-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,8,3 and 3 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 54833-65:
(7*5)+(6*4)+(5*8)+(4*3)+(3*3)+(2*6)+(1*5)=137
137 % 10 = 7
So 54833-65-7 is a valid CAS Registry Number.

54833-65-7Downstream Products

54833-65-7Relevant articles and documents

Synthesis of C3-Methyl-Substituted Pyrroloindolines and Furoindolines via Cascade Dearomatization of Indole Derivatives with Methyl Iodide

Yi, Ji-Cheng,Liu, Chuan,Dai, Li-Xin,You, Shu-Li

supporting information, p. 2975 - 2979 (2017/11/14)

A highly efficient method for constructing C3-methyl-substituted pyrroloindolines and furoindolines via cascade dearomatization reaction of indole derivatives with methyl iodide was developed. This protocol offers a direct approach to a wide range of C3 methyl substituted pyrroloindolines under mild conditions. The utility of this method was further demonstrated in the concise synthesis of (±)-esermethol.

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