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6900-95-4

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6900-95-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6900-95-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,9,0 and 0 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 6900-95:
(6*6)+(5*9)+(4*0)+(3*0)+(2*9)+(1*5)=104
104 % 10 = 4
So 6900-95-4 is a valid CAS Registry Number.

6900-95-4Upstream product

6900-95-4Downstream Products

6900-95-4Relevant articles and documents

Highly diastereodivergent synthesis of tetrasubstituted cyclohexanes catalyzed by modularly designed organocatalysts

Rana, Nirmal K.,Huang, Huicai,Zhao, John C.-G.

supporting information, p. 7619 - 7623 (2014/08/05)

A highly diastereodivergent synthesis of tetrasubstituted cyclohexanes has been achieved using modularly designed organocatalysts (MDOs) which are self-assembled in situ from amino acids and cinchona alkaloid derivatives. Diastereodivergence is realized through controlling the stereoselectivity of the individual steps of a tandem Michael/Michael reaction. Up to 8 of the 16 possible stereoisomers have been successfully obtained in high stereoselectivities using MDOs for the tandem reaction and an ensuing epimerization. The method was used in the enantioselective synthesis of the natural products (-)-α- and β-lycoranes.

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