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670274-19-8

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670274-19-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 670274-19-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,0,2,7 and 4 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 670274-19:
(8*6)+(7*7)+(6*0)+(5*2)+(4*7)+(3*4)+(2*1)+(1*9)=158
158 % 10 = 8
So 670274-19-8 is a valid CAS Registry Number.

670274-19-8Relevant articles and documents

α,ω-Bis(thioacetyl)oligophenylenevinylene Chromophores from Thioanisol Precursors

Seferos, Dwight S.,Banach, David A.,Alcantar, Norma A.,Israelachvili, Jacob N.,Bazan, Guillermo C.

, p. 1110 - 1119 (2004)

The selective cleavage of arylmethyl thioethers provides a convenient protocol for the synthesis of all-E isomers of α,ω -bis(thioacetyl)oligophenyenevinylene molecules (OPVs). The S-methyl group is tolerant of Wittig-type and Heck-type reactions for form

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