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64810-21-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 64810-21-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,8,1 and 0 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 64810-21:
115 % 10 = 5
So 64810-21-5 is a valid CAS Registry Number.

64810-21-5Relevant articles and documents

Dynamic Kinetic Sensitization of β-Dicarbonyl Compounds—Access to Medium-Sized Rings by De Mayo-Type Ring Expansion

Glorius, Frank,Guldi, Dirk M.,Henkel, Christian,James, Michael J.,Mai, Lukas A.,Paulisch, Tiffany O.,Strieth-Kalthoff, Felix

supporting information, (2021/12/27)

Herein, we present a photocatalyzed two-carbon ring expansion of β-dicarbonyl compounds with unactivated olefins that provides facile access to medium-sized rings. Selective sensitization of the substoichiometric enol tautomer enables reactivity of substr

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