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40817-11-6

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40817-11-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 40817-11-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,8,1 and 7 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 40817-11:
(7*4)+(6*0)+(5*8)+(4*1)+(3*7)+(2*1)+(1*1)=96
96 % 10 = 6
So 40817-11-6 is a valid CAS Registry Number.

40817-11-6Downstream Products

40817-11-6Relevant articles and documents

Controlled ring-opening polymerization of lactide by bis-sulfonamide/ amine associations: Cooperative hydrogen bonding catalysis

Alba, Aurelie,Schopp, Aurelia,De Sousa Delgado, Anne-Paula,Cherif-Cheikh, Roland,MartiN-Vaca, Blanca,Bourissou, Didier

experimental part, p. 959 - 965 (2010/12/18)

The bis-sulfonamide m-C6H4(SO2NHPh) 2 efficiently promotes the ring-opening polymerization of lactide when combined with tertiary amines, such as N,N-dimethylamino-pyridine. Polylactides of controlled molecular weights (Mn up to 17,700 g moT-1) and very narrow molecular weight distributions (M w/Mn 2NHAr) moieties.

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