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136178-78-4

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136178-78-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 136178-78-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,1,7 and 8 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 136178-78:
(8*1)+(7*3)+(6*6)+(5*1)+(4*7)+(3*8)+(2*7)+(1*8)=144
144 % 10 = 4
So 136178-78-4 is a valid CAS Registry Number.

136178-78-4Downstream Products

136178-78-4Relevant articles and documents

LITHIATION OF THE BENZENE RING IN THE PRESENCE OF ortho-ALKYL SUBSTITUENTS BEARING ONE OR TWO HETEROATOMS ON THE β-CARBON. A CONVENIENT SYNTHESIS OF MELLEIN AND KIGELIN

Napolitano, Elio,Morsani, Massimo,Fiaschi, Rita

, p. 249 - 255 (2007/10/02)

The title reaction can be successfully accomplished by proton-metal exchange with n-butyllithium, and the usually observed elimination to a styrene derivative suppressed, provided an appropriate combination of heteroatoms bound to the β-carbon of the alky

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