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750638-99-4

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750638-99-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 750638-99-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,5,0,6,3 and 8 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 750638-99:
(8*7)+(7*5)+(6*0)+(5*6)+(4*3)+(3*8)+(2*9)+(1*9)=184
184 % 10 = 4
So 750638-99-4 is a valid CAS Registry Number.

750638-99-4Downstream Products

750638-99-4Relevant articles and documents

Carbon networks based on dehydrobenzoannulenes. 3. Synthesis of graphyne substructures

Kehoe, Joshua M.,Kiley, James H.,English, Jamieson J.,Johnson, Charles A.,Petersen, Ryan C.,Haley, Michael M.

, p. 969 - 972 (2007/10/03)

(equation presented) This Letter describes the synthesis of the first macrobicyclic subunits of the hypothetical all-carbon network graphyne. Key to synthetic success is an intramolecular Sonogashira cross-coupling sequence.

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