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1197026-50-8

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1197026-50-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1197026-50-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,9,7,0,2 and 6 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1197026-50:
(9*1)+(8*1)+(7*9)+(6*7)+(5*0)+(4*2)+(3*6)+(2*5)+(1*0)=158
158 % 10 = 8
So 1197026-50-8 is a valid CAS Registry Number.

1197026-50-8Downstream Products

1197026-50-8Relevant articles and documents

Towards Enzyme-like, Sustainable Catalysis: Switchable, Highly Efficient Asymmetric Synthesis of Enantiopure Biginelli Dihydropyrimidinones or Hexahydropyrimidinones

Lillo,Saá

, p. 17182 - 17186 (2016)

Organocatalysts displaying a network of cooperative hydrogen bonds (NCHB) have been employed in an enzyme-like manner for a direct, switchable synthesis of enantiopure hexahydropyrimidinones (HHPMs) or dihydropyrimidinones (DHPMs), which starts at a common, easily accessible α-ureidosulfone stage. The NCHB organocatalyst exploits all its potential as a pure hydrogen-bond biomimetic catalyst even in the presence of organic bases. This one-pot, diastereo- and enantioselective synthetic procedure has been proven to be robust, scalable, highly efficient, and environmentally benign. A straightforward and truly practical entry to enantiopure HHPMs is reported for the first time.

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