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116943-39-6

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116943-39-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 116943-39-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,6,9,4 and 3 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 116943-39:
(8*1)+(7*1)+(6*6)+(5*9)+(4*4)+(3*3)+(2*3)+(1*9)=136
136 % 10 = 6
So 116943-39-6 is a valid CAS Registry Number.

116943-39-6Downstream Products

116943-39-6Relevant articles and documents

Synthesis and structure of new crown ethers with 1,4-phenylene and 1,4-naphthylene units

C?rcu, Monica,Petran, Anca,Gaz, Andrei Serban,Bogdan, Elena,Terec, Anamaria,Ra, Ciprian I.,Varga, Richard A.,Grosu, Ion

experimental part, p. 17 - 23 (2011/08/04)

The synthesis of monomers and dimers of some new crown ether type macrocycles with 1,4-phenylene and 1,4-naphthylene units are reported. The structural investigations of the compounds were carried out by NMR spectra, MS measurements and the single crystal X-ray solid state molecular structure of one compound.

PHOTOCHEMICAL REARRANGEMENTS OF QUINONE MONOKETALS. SYNTHESIS OF SUBSTITUTED CYCLOPENTENONES

Pirrung, Michael C.,Nunn, David S.

, p. 163 - 166 (2007/10/02)

The irradiation of quinone ethylene monoketals in acetic acid leads in high yield to substituted 4-(alkoxycarbonyl)cyclopentenones.

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