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1555994-22-3

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1555994-22-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1555994-22-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,5,5,9,9 and 4 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1555994-22:
(9*1)+(8*5)+(7*5)+(6*5)+(5*9)+(4*9)+(3*4)+(2*2)+(1*2)=213
213 % 10 = 3
So 1555994-22-3 is a valid CAS Registry Number.

1555994-22-3Downstream Products

1555994-22-3Relevant articles and documents

Aldolase-catalyzed synthesis of conformationally constrained iminocyclitols: Preparation of polyhydroxylated benzopyrrolizidines and cyclohexapyrrolizidines

Laborda, Pedro,Sayago, Francisco J.,Cativiela, Carlos,Parella, Teodor,Joglar, Jesus,Clapes, Pere

, p. 1422 - 1425 (2014/04/03)

A straightforward chemo-enzymatic synthesis of new polyhydroxylated benzopyrrolizidines and cyclohexapyrrolizidines is developed. The two-step strategy consists of l-fuculose-1-phosphate aldolase variant F131A-catalyzed aldol addition of dihydroxyacetone phosphate to rac-N-benzyloxycarbonylindoline- 2-carbaldehyde as well as (2S*,3aS*,7aS*)- and (2S*,3aR*,7aR*)-N-benzyloxycarbonyloctahydroindole-2- carbaldehydes and a subsequent one-step catalytic deprotection-reductive amination.

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