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15340-92-8

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15340-92-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 15340-92-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,3,4 and 0 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 15340-92:
(7*1)+(6*5)+(5*3)+(4*4)+(3*0)+(2*9)+(1*2)=88
88 % 10 = 8
So 15340-92-8 is a valid CAS Registry Number.

15340-92-8Downstream Products

15340-92-8Relevant articles and documents

Camphor/Longicamphor and 7β-Formylnorlongifolane/7β-Acetylnorlongifolane Oximes: A Comparative Beckmann Rearrangement Study

Satyanarayana, N.,Shitole, H. R.,Nayak, U. R.

, p. 997 - 1001 (2007/10/02)

Camphor oxime (3)/longicamphor oxime (4) have been shown to undergo Beckmann fragmentation on exposure to tosyl chloride in pyridine generating olefinic nitriles: 3->5+6 and 4->7+8+9; in the case of 4 this reaction provides an entry into the bicyclononane system characteristic of the secolongifolene diol fungal metabolite (10). 7β-Formylnorlongifolane oxime (14)/7β-acetylnorlongifolane oxime (15) when treated with the same Beckmann catalyst under similar conditions, afford the nitrile (16)/amide (17); on hydrolysis with base 17 gives the amine 18.Reaction of longicamphor (2) with hydroxylamine-O-sulfonic acid, however, a ffords the nitrogen-insertion product, α-longicamphidone (24) besides the fragmented nitrile (7).

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