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171110-94-4

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171110-94-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 171110-94-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,1,1,1 and 0 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 171110-94:
(8*1)+(7*7)+(6*1)+(5*1)+(4*1)+(3*0)+(2*9)+(1*4)=94
94 % 10 = 4
So 171110-94-4 is a valid CAS Registry Number.

171110-94-4Relevant articles and documents

Synthesis of diether-linked cationic lipids for gene delivery

Ren, Tan,Liu, Dexi

, p. 1247 - 1250 (2007/10/03)

Quaternary ammonium lipids 1b-d, with diether linkages between hydrocarbon chains and butane or hexane backbone, were synthesized for cationic liposome-mediated gene delivery. The synthetic strategy of using C- 4 or C-6 synthon permits the achievement of the variation of the hydrophobic domain as well as changes of space between the quaternary ammonium head and the hydrophobic domain in the diether-linked cationic lipids.

Enzyme-mediated enantioselective hydrolysis of cyclic carbonates

Matsumoto, Kazutsugu,Fuwa, Seiji,Kitajima, Hidehiko

, p. 6499 - 6502 (2007/10/02)

The enzyme-mediated enantioselective hydrolysis of cyclic carbonates is disclosed. Racemic 4-(2-benzyloxy)ethyl-1,3-dioxolan-2-one (1a) was enantioselectively hydrolyzed by porcine pancreas lipase (PPL) to give optically active (R)-1a and (S)-4-benzyloxybutane-1,2-diol (2a). PPL also catalyzed the hydrolysis of several five-membered cyclic carbonates with high enantioselectivity.

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