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3-(ethylenedioxy)-2-(p-tolylsulfinylmethyl)-7,7-dimethylbicyclo<3.3.0>octane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

91084-99-0

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91084-99-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91084-99-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,0,8 and 4 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 91084-99:
(7*9)+(6*1)+(5*0)+(4*8)+(3*4)+(2*9)+(1*9)=140
140 % 10 = 0
So 91084-99-0 is a valid CAS Registry Number.

91084-99-0Downstream Products

91084-99-0Relevant articles and documents

SYNTHESIS OF dl-PENTALENOLACTONES E AND F.

Cane,Thomas

, p. 5295 - 5303 (1984)

The methyl esters of ( plus or minus )-pentalenolactone E and F have been synthesized by a route based on the intramolecular insertion of an alpha -acylcarbene into an unactivated C-H bond to effect closure of the key fused delta -lactone ring system. Lactone reduction, deketalization, and selective acetalization of the derived lactol provided as a mixture of epimers.

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