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67468-81-9

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67468-81-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 67468-81-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,4,6 and 8 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 67468-81:
(7*6)+(6*7)+(5*4)+(4*6)+(3*8)+(2*8)+(1*1)=169
169 % 10 = 9
So 67468-81-9 is a valid CAS Registry Number.

67468-81-9Relevant articles and documents

Dual Nickel/Photoredox-Catalyzed Deaminative Cross-Coupling of Sterically Hindered Primary Amines

Dorsheimer, Julia R.,Ashley, Melissa A.,Rovis, Tomislav

, p. 19294 - 19299 (2021/11/23)

We report a method to activate α-3° amines for deaminative arylation via condensation with an electron-rich aldehyde and merge this reactivity with nickel metallaphotoredox to generate benzylic quaternary centers, a common motif in pharmaceuticals and natural products. The reaction is accelerated by added ammonium salts. Evidence is provided in support of two roles for the additive: inhibition of nickel black formation and acceleration of the overall reaction rate. We demonstrate a robust scope of amine and haloarene coupling partners and show an expedited synthesis of ALK2 inhibitors.

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