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1266103-99-4

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1266103-99-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1266103-99-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,6,1,0 and 3 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1266103-99:
(9*1)+(8*2)+(7*6)+(6*6)+(5*1)+(4*0)+(3*3)+(2*9)+(1*9)=144
144 % 10 = 4
So 1266103-99-4 is a valid CAS Registry Number.

1266103-99-4Downstream Products

1266103-99-4Relevant articles and documents

Fluoride-induced cyclization of pentacenequinone to higher quinones

Bhalla, Vandana,Gupta, Ankush,Roopa, Hardev Singh,Kumar, Manoj

, p. 1578 - 1583 (2011/05/28)

Novel pentacenequinone derivatives 3, 7, and 10 have been synthesized via Suzuki-Miyaura coupling. Derivatives 3 and 7 having OTBS groups undergo irreversible fluorideinduced cyclization to substituted higher quinones in the presence of TBAF in dry THF using one-pot, two-step strategies in moderate yields. These functionalized higher quinone derivatives are freely soluble in THF and DMSO and can be used as precursors for the synthesis of higher acene derivatives. 2011 American Chemical Society.

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