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1202696-10-3

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1202696-10-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1202696-10-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,2,6,9 and 6 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1202696-10:
(9*1)+(8*2)+(7*0)+(6*2)+(5*6)+(4*9)+(3*6)+(2*1)+(1*0)=123
123 % 10 = 3
So 1202696-10-3 is a valid CAS Registry Number.

1202696-10-3Downstream Products

1202696-10-3Relevant articles and documents

Highly diastereo- and enantioselective direct aldol reactions by 4-tert-butyldimethylsiloxy-substituted organocatalysts derived from N-prolylsulfonamides in water

Fu, Shao-dong,Fu, Xiang-kai,Zhang, Shu-peng,Zou, Xiao-chuan,Wu, Xiao-ju

, p. 2390 - 2396 (2009)

A new set of 4-tert-butyldimethylsiloxy-substituted organocatalysts derived from N-prolylsulfonamide has been designed and proved to be effective in catalyzing the direct aldol reactions of cyclic ketones with a series of aromatic aldehydes. Furthermore, to the best of our knowledge, there are no reports on the aldol reaction generating the products in very good yields (>99%) and with excellent diastereoselectivities up to >99:1 and enantioselectivities up to >99% by using lower catalyst loadings (only 3 mol %), without using any additives in a large amount of water under mild conditions.

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