Cas 245677-89-8,1,1-bis(trifluoromethyl)-6-formyl-5-methylcyclohexa-3,5-diene

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Check Digit Verification of cas no

The CAS Registry Mumber 245677-89-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,4,5,6,7 and 7 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 245677-89:
(8*2)+(7*4)+(6*5)+(5*6)+(4*7)+(3*7)+(2*8)+(1*9)=178
178 % 10 = 8
So 245677-89-8 is a valid CAS Registry Number.

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245677-89-8Relevant academic research and scientific papers

Synthesis of geminal-bis(trifluoromethyl)-substituted dienes, heterodienes, 7,7,7,8,8,8-hexafluoro-β-cyclocitral and -safranal

Brandt,Haas,Hardt,Mayer-Figge,Merz,Wallmichrath

, p. 115 - 125 (2007/10/03)

Reaction of 5,5,5-trifluoro-4-(trifluoromethyl)penta-3-en-2-one (1) with p-toluene-sulfonylhydrazines under basic conditions provided anti-Michael addition products. Acid-catalyzed reactions yielded the expected hydrazones. In the absence of solvent the r

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