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67031-68-9

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67031-68-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 67031-68-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,0,3 and 1 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 67031-68:
(7*6)+(6*7)+(5*0)+(4*3)+(3*1)+(2*6)+(1*8)=119
119 % 10 = 9
So 67031-68-9 is a valid CAS Registry Number.
InChI:InChI=1/C20H23NO2/c22-20(18-12-6-2-7-13-18)23-19(17-10-4-1-5-11-17)16-21-14-8-3-9-15-21/h1-2,4-7,10-13,19H,3,8-9,14-16H2

67031-68-9Downstream Products

67031-68-9Relevant articles and documents

Highly regioselective ring opening of a common N,N-dialkylaziridinium ion by carboxylic acids

Hernández, Ulises,Velasco, Manuel,Vázquez, Jaime,Terán, Joel L.,Gnecco, Dino,Orea, María L.,Aparicio, David M.,Juárez, Jorge R.

, p. 219 - 232 (2018)

A variety of optically active amino esters were synthesized via ring-opening reaction of (R)-1-phenyl-3-Azaspiro[2.5]octan-3-ium ion derived from (R)-2-phenyl-2-(piperidin-1-yl)ethan-1-ol in a highly regioselective manner. Ring-opening reaction with carboxylates series generated in situ proceeded smoothly and with excellent yields (85-98%).

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