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1531624-35-7

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1531624-35-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1531624-35-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,3,1,6,2 and 4 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1531624-35:
(9*1)+(8*5)+(7*3)+(6*1)+(5*6)+(4*2)+(3*4)+(2*3)+(1*5)=137
137 % 10 = 7
So 1531624-35-7 is a valid CAS Registry Number.

1531624-35-7Downstream Products

1531624-35-7Relevant articles and documents

3- season carbon chiral -C-acyl Phthalidyl derivative and its preparation method

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, (2016/10/17)

The invention discloses a 3-quaternary carbon chiral-C-acylbenzofuranone derivative and a preparation method thereof. O-acylbenzofuranone derivative as a raw material undergoes an asymmetric Black rearrangement reaction in the presence of a chiral imidazole catalyst to produce the 3-quaternary carbon chiral-C-acylbenzofuranone derivative. The preparation method utilizes a cheap and easily available chiral nucleophilic catalyst to replace an expensive catalyst used in the prior art, has mild catalytic reaction conditions and simple processes, and has a good yield and enantioselectivity. Through further derivation, the obtained 3-quaternary carbon chiral-C-acylbenzofuranone derivative can be used for synthesis of a physiologically active molecule.

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