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5980-07-4

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5980-07-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5980-07-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,9,8 and 0 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 5980-07:
(6*5)+(5*9)+(4*8)+(3*0)+(2*0)+(1*7)=114
114 % 10 = 4
So 5980-07-4 is a valid CAS Registry Number.

5980-07-4Downstream Products

5980-07-4Relevant articles and documents

Molecular Rearrangement of Osthol Epoxide with Pyridinium Chloride and Trifluoracetic acid

Barik, Bikash R.,Dey, Ashesh K.,Das, Probhash C.,Kundu, Amit B.,Chatterjee, Asima

, p. 223 - 226 (2007/10/02)

7-Methoxy-8-(2',3'-epoxy-3'-methylbutyl)coumarin(osthol epoxide) (I) on treatment with pyridinium chloride in pyridine affords a new product, 7-methoxy-8-(2'-chloro-3'-hydroxy-3'-methylbutyl)coumarin (IV), besides the known 7-methoxy-8-(2'-hydroxy-3'-methylbut-3'-enyl)coumarin (aurapentol) (II) and 7-methoxy-8-(2'-oxo-3'-methylbutyl)coumarin (isoauraptene) (III).On the other hand I on treatment with trifluoracetic acid in benzene yields, besides II and III, three other products, viz. 7-methoxy-8-(2',3'-dihydroxy-3'-methylbutyl)coumarin (meranzin hydrate) (V), 7-methoxy-8-(2'-trifluoracetoxy-3-'-hydroxy-3'-methylbutyl)coumarin (VI) and 7-methoxy-8-(2'-formyl-2'-methylpropyl)coumarin (VII) of which VI is a new chemical component.

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