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887917-89-7

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887917-89-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 887917-89-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,8,7,9,1 and 7 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 887917-89:
(8*8)+(7*8)+(6*7)+(5*9)+(4*1)+(3*7)+(2*8)+(1*9)=257
257 % 10 = 7
So 887917-89-7 is a valid CAS Registry Number.

887917-89-7Downstream Products

887917-89-7Relevant articles and documents

Copper(I)-catalyzed enantioselective 1,3-dipolar cycloaddition of azomethine ylides with vinyl sulfones

Llamas, Tomas,Arrayas, Ramon Gomez,Carretero, Juan Carlos

, p. 950 - 956 (2008/01/06)

The combination of copper(I)-Taniaphos (5 mol%) is an efficient Lewis acid catalyst for the promotion of the asymmetric 1,3-dipolar cycloaddition of azomethine ylides to aryl vinyl sulfones, providing 3-sulfonylpyrrolidines in good yields and with nearly

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