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76509-04-1

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76509-04-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 76509-04-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,5,0 and 9 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 76509-04:
(7*7)+(6*6)+(5*5)+(4*0)+(3*9)+(2*0)+(1*4)=141
141 % 10 = 1
So 76509-04-1 is a valid CAS Registry Number.

76509-04-1Relevant articles and documents

Thermally induced cyclobutenone rearrangements and domino reactions

Harrowven, David C.,Pascoe, David D.,Guy, Ian L.

, p. 425 - 428 (2008/02/02)

(Chemical Equation Presented) Four thermal-rearrangement pathways and a domino reaction leading to quinones arise from the thermolysis of cyclobutenones. The course of vinylcyclobutenone rearrangements is dictated by the nature of the substituent, R (see

Simple Synthesis of Lithium Diisopropylamide in Molar Quantities

Reetz, Manfred T.,Maier, Wilhelm F.

, p. 1471 - 1473 (2007/10/02)

Lithium diisopropylamide (LDA), which is important in carbonyl chemistry, can easily be prepared by the Ziegler method, i.e., in this case by reacting lithium with styrene in the presence of diisopropylamine.In this way the use of methyl-, butyl- or pheny

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