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74610-08-5

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74610-08-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74610-08-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,6,1 and 0 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 74610-08:
(7*7)+(6*4)+(5*6)+(4*1)+(3*0)+(2*0)+(1*8)=115
115 % 10 = 5
So 74610-08-5 is a valid CAS Registry Number.

74610-08-5Relevant articles and documents

Novel regio- and stereoselective cascade 6-endo-trig cyclisations from polyene acyl radical intermediates leading to steroid-like pentacycles and heptacycles

Handa, Sandeep,Nair, Prathap S.,Pattenden, Gerald

, p. 2629 - 2643 (2007/10/03)

In a quite remarkable regio- and stereoselective manner, each of the (all-E)-polyene selenoates 5a-c is shown to undergo cascade radical-mediated polycyclisations via consecutive 6-endo-trig reactions, leading to the corresponding all-trans, anti, tri-, penta- and heptacycles, i.e., 20, 23, and 25, in good yields. The configurations of these 'steroid-like' polycycles followed from detailed examination and correlation of chemical shift data in their 13C-NMR spectra.

Regio- and stereoselective synthesis of coenzymes Q(n) (n=2-10), vitamin K, and related polyprenylquinones

Naruta

, p. 4097 - 4104 (2007/10/02)

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