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1637436-82-8

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1637436-82-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1637436-82-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,3,7,4,3 and 6 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1637436-82:
(9*1)+(8*6)+(7*3)+(6*7)+(5*4)+(4*3)+(3*6)+(2*8)+(1*2)=188
188 % 10 = 8
So 1637436-82-8 is a valid CAS Registry Number.

1637436-82-8Downstream Products

1637436-82-8Relevant articles and documents

Highly enantioselective carbonyl-ene reactions of 2,3-diketoesters: Efficient and atom-economical process to functionalized chiral α-hydroxy-β-ketoesters

Truong, Phong M.,Zavalij, Peter Y.,Doyle, Michael P.

supporting information, p. 6468 - 6472 (2014/06/24)

Carbonyl-ene reactions of 2,3-diketoesters catalyzed by [Cu{(S,S)-tBu-box}](SbF6)2 [box=bis(oxazoline)] generate chiral α-functionalized α-hydroxy-β-ketoesters in up to 94% yield and 97% ee. The 2,3-diketoesters are conveniently accessed from the corresponding α-diazo-β-ketoester, and a catalyst loading as low as 1.0 mol% can be achieved.

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