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737767-18-9

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737767-18-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 737767-18-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,3,7,7,6 and 7 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 737767-18:
(8*7)+(7*3)+(6*7)+(5*7)+(4*6)+(3*7)+(2*1)+(1*8)=209
209 % 10 = 9
So 737767-18-9 is a valid CAS Registry Number.

737767-18-9Relevant articles and documents

Theoretical and experimental study on the in-plane SN2-type substitution reaction of haloalkenes with inversion of configuration at the sp2 carbon

Ando, Kaori,Kitamura, Mitsuru,Miura, Kasei,Narasaka, Koichi

, p. 2461 - 2463 (2007/10/03)

(Equation Presented) The intramolecular in-plane SN2 type reaction of haloalkene E-8a was predicted to be a facile process for the first time by DFT calculations (B3LYP/6-31+G(d),SCRF(dipole, solvent = DMF)) (ΔG = 14.4 kcal/mol). The prediction was confirmed experimentally. When E-8a was treated with NaH in DMF, benzofuran was obtained in 95% yield. On the other hand, Z-8a was recovered quantitatively even after heating at 110 °C.

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