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68883-76-1

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68883-76-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 68883-76-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,8,8 and 3 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 68883-76:
(7*6)+(6*8)+(5*8)+(4*8)+(3*3)+(2*7)+(1*6)=191
191 % 10 = 1
So 68883-76-1 is a valid CAS Registry Number.

68883-76-1Upstream product

68883-76-1Relevant articles and documents

METHOD OF CONVERTING ALCOHOL TO HALIDE

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Page/Page column 50; 107; 108; 109, (2017/01/02)

The present invention relates to a method of converting an alcohol into a corresponding halide. This method comprises reacting the alcohol with an optionally substituted aromatic carboxylic acid halide in presence of an N-substituted formamide to replace a hydroxyl group of the alcohol by a halogen atom. The present invention also relates to a method of converting an alcohol into a corresponding substitution product. The second method comprises: (a) performing the method of the invention of converting an alcohol into the corresponding halide; and (b) reacting the corresponding halide with a nucleophile to convert the halide into the nucleophilic substitution product.

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