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1355016-92-0

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1355016-92-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1355016-92-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,5,5,0,1 and 6 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1355016-92:
(9*1)+(8*3)+(7*5)+(6*5)+(5*0)+(4*1)+(3*6)+(2*9)+(1*2)=140
140 % 10 = 0
So 1355016-92-0 is a valid CAS Registry Number.

1355016-92-0Relevant articles and documents

Relative tendency of carbonyl compounds to form enamines

Sanchez, Dani,Bastida, David,Bures, Jordi,Isart, Carles,Pineda, Oriol,Vilarrasa, Jaume

, p. 536 - 539 (2012/03/26)

Equilibria between carbonyl compounds and their enamines (from O-TBDPS-derived prolinol) have been examined by NMR spectroscopy in DMSO-d 6. By comparing the exchange reactions between pairs (enamine A + carbonyl B → carbonyl A + enamine B), a quite general scale of the tendency of carbonyl groups to form enamines has been established. Aldehydes quickly give enamines that are relatively more stable than those of ketones, but there are exceptions to this expected rule; for example, 1,3-dihydroxyacetone acetals or 3,5-dioxacyclohexanones (2-phenyl-1,3-dioxan-5-one and 2,2-dimethyl-1,3- dioxan-5-one) show a greater tendency to afford enamines than many α-substituted aldehydes.

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