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68908-13-4

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68908-13-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 68908-13-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,9,0 and 8 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 68908-13:
(7*6)+(6*8)+(5*9)+(4*0)+(3*8)+(2*1)+(1*3)=164
164 % 10 = 4
So 68908-13-4 is a valid CAS Registry Number.

68908-13-4Upstream product

68908-13-4Relevant articles and documents

Fragmentation of Homoallylic Alkoxides. Thermolysis of Potassium 2-Substituted Bicyclooct-5-en-2-alkoxides

Snowden, Roger L.,Schulte-Elte, Karl H.

, p. 2193 - 2202 (2007/10/02)

Thermolysis of the potassium 2-substituted bicyclooct-5-en-2-alkoxides derived from alcohols 2-17 at 90-120 deg C in hexamethylphosphoric triamide affords unsaturated ketones resulting from allylic bond cleavage.The mechanistic and synthetic aspects of this anionic fragmentation are discussed with reference to the formation of 1-(3'-cyclohexenyl)-2-alkanones 18-28 via initial heterolytic C(1),C(2)-bond cleavage in the substrate alkoxide and regioselective, intramolecular protonation of the resultant transient allylic anion.

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