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132409-98-4

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132409-98-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 132409-98-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,2,4,0 and 9 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 132409-98:
(8*1)+(7*3)+(6*2)+(5*4)+(4*0)+(3*9)+(2*9)+(1*8)=114
114 % 10 = 4
So 132409-98-4 is a valid CAS Registry Number.

132409-98-4Downstream Products

132409-98-4Relevant articles and documents

Solvolysis Rates and β-Deuterium Secondary Kinetic Isotope Effects of Some Tertiary and Secondary Alk-5-enyl Derivatives. Evidence for ?-Participation

Orlovic, Mirko,Borcic, Stanko,Humski, Kresimir,Kronja, Olga,Imper, Vera,et al.

, p. 1874 - 1878 (1991)

Tertiary 1,1-dimethylalk-5-enyl chlorides solvolyze in 80percent v/v ethanol with no or moderate rate enhancements attributable to ?-participation.However, secondary β-deuterium kinetic isotope effects (KIE, two deuterated methyl groups) are significantly reduced (kH/kD = 1.22-1.57) relative to the saturated analogues (kH/kD = 1.80), indicating participation of the double bond.Secondary 1-methylalk-5-enyl tosylates show the same trends, i.e., no or very moderate rate enhancements but reduced β-deuterium secondary KIE relative to the saturated analogue.

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