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35690-40-5

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35690-40-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 35690-40-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,5,6,9 and 0 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 35690-40:
(7*3)+(6*5)+(5*6)+(4*9)+(3*0)+(2*4)+(1*0)=125
125 % 10 = 5
So 35690-40-5 is a valid CAS Registry Number.

35690-40-5Relevant articles and documents

The reactions of selected terpene alcohols with acetonitrile in the presence of boron trifluoride etherate

Welniak

, p. 1405 - 1411 (2007/10/03)

A series of thirteen terpene alcohols 1-13 of bornane, fenchane and isotricyclene systems was subjected to the reaction with acetonitrile in the presence of BF3·Et2O as a catalyst to give respective acetamides and/or alkenes. The use of boron trifluoride etherate instead of the usually applied protonic donors let us establish beyond any doubt the carbonium ion stage participation. The assumed reaction course was corroborated by cationic Wagner-Meerwein, Namietkin and homoallylic rearrangements observed during studies under investigation. Simultaneously no evidence for the imidate formation was found. Such a mode of the reaction mechanism was alternatively suggested earlier by Sjoeberg [9] for the reaction of sec- and tert-butanol with acetonitrile in the presence of boron trifluoride etherate.

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