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66130-09-4

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66130-09-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 66130-09-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,1,3 and 0 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 66130-09:
(7*6)+(6*6)+(5*1)+(4*3)+(3*0)+(2*0)+(1*9)=104
104 % 10 = 4
So 66130-09-4 is a valid CAS Registry Number.

66130-09-4Relevant articles and documents

Thermal Behaviour of 3-Phenyl-1,2,4-oxadiazol-5-ylhydrazines

Adembri, Giorgio,Camparini, Alfredo,Ponticelli, Fabio,Tedeschi, Piero

, p. 1703 - 1706 (2007/10/02)

Depending on the substitution on the hydrazine moiety, thermolysis of 3-phenyl-1,2,4-oxadiazol-5-ylhydrazines (1)-(5) gives variable amounts of 1-amino-Δ2-1,2,4-triazolin-5-ones (13) or (17), Δ2- or Δ3-1,2,4-triazolin-5-ones (12), (18), or (19), and the s-triazine (20).A possible mechanism accounting for the products and the effects is discussed.A diradical intermediate and a hydrogen transfer from the reaction medium are suggested on the basis of the effect of benzoyl peroxide on the reaction and on the behaviour of the hydrazines (1)-(4) towards catalytic hydrogenation.

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