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1202638-00-3

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1202638-00-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1202638-00-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,2,6,3 and 8 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1202638-00:
(9*1)+(8*2)+(7*0)+(6*2)+(5*6)+(4*3)+(3*8)+(2*0)+(1*0)=103
103 % 10 = 3
So 1202638-00-3 is a valid CAS Registry Number.

1202638-00-3Upstream product

1202638-00-3Downstream Products

1202638-00-3Relevant articles and documents

Synthesis of 2,2c-6-trisubstituted and 2,2c-,6,6--tetrasubstituted diaryl sulfides and diaryl sulfones by copper-promoted coupling and/or ortholithiation

Clayden, Jonathan,Senior, James

scheme or table, p. 2769 - 2772 (2010/02/28)

Stoichiometric copper(I) iodide, in the presence of potassium carbonate and ethylene glycol, promotes the coupling of even highly sterically encumbered 2,6-disubstituted thiophenols and aryl iodides to form hindered diarylsulfides. Hindered diarylsulfones

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