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522653-99-2

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522653-99-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 522653-99-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,2,2,6,5 and 3 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 522653-99:
(8*5)+(7*2)+(6*2)+(5*6)+(4*5)+(3*3)+(2*9)+(1*9)=152
152 % 10 = 2
So 522653-99-2 is a valid CAS Registry Number.

522653-99-2Relevant articles and documents

The Barbier - Grignard-type carbonyl alkylation using unactivated alkyl halides in water

Keh, Charlene C. K.,Wei, Chunmei,Li, Chao-Jun

, p. 4062 - 4063 (2007/10/03)

The aqueous Barbier-Grignard-type alkylation of aldehydes with unactivated alkyl iodides and bromides was developed. By using a combination of zinc and cuprous iodide, catalyzed by indium(I) chloride, we successfully added tertiary, secondary, and primary alkyl halides to various aromatic aldehydes in 0.07 M aqueous Na2C2O4. A mechanistic rationale for the success of the reaction has been proposed. Copyright

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