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484638-53-1

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484638-53-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 484638-53-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,8,4,6,3 and 8 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 484638-53:
(8*4)+(7*8)+(6*4)+(5*6)+(4*3)+(3*8)+(2*5)+(1*3)=191
191 % 10 = 1
So 484638-53-1 is a valid CAS Registry Number.

484638-53-1Downstream Products

484638-53-1Relevant articles and documents

Enantioselective transformation of alpha, beta-unsaturated aldehydes using chiral organic catalysts

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, (2008/06/13)

Nonmetallic organic catalysts are provided that facilitate the enantioselective reaction of α,β-unsaturated aldehydes. The catalysts are chiral imidazolidinone compounds having the structure of formula (IIA) or (IIB) or are acid addition salts thereof, wherein, in one preferred embodiment, R1 is C1-C6 alkyl, R2 is tri(C1-C6 alkyl)-substituted methyl, R3 and R4 are hydrogen, and R5 is phenyl optionally substituted with 1 or 2 substituents selected from the group consisting of halo, hydroxyl, and C1-C6 alkyl. The chiral imidazolidinones are useful in catalyzing a wide variety of reactions, including cycloaddition reactions, Friedel-Crafts alkylation reactions, and Michael additions.

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