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211676-00-5

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211676-00-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 211676-00-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,1,6,7 and 6 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 211676-00:
(8*2)+(7*1)+(6*1)+(5*6)+(4*7)+(3*6)+(2*0)+(1*0)=105
105 % 10 = 5
So 211676-00-5 is a valid CAS Registry Number.

211676-00-5Relevant articles and documents

Study on Radical Amidation onto Aromatic Rings with (Diacyloxyiodo)arenes

Togo, Hideo,Hoshina, Yoichiro,Muraki, Takahito,Nakayama, Hiromasa,Yokoyama, Masataka

, p. 5193 - 5200 (1998)

Sulfonamides of primary amines bearing an aromatic ring at the γ-position were treated with (diacyloxyiodo)arenes and iodine under irradiation conditions with a tungsten lamp to give the corresponding 1,2,3,4-tetrahydroquinoline derivatives in moderate to good yields. Here, the reactivity depends on the Z-group (protecting group) of the starting amides. Under the same reaction conditions, some sulfonamides were treated with (diacetoxyiodo)benzene and iodine in the presence of aromatics to give the corresponding N-arylated amides. These reactions proceed through the intramolecular and intermolecular amidations onto aromatic rings via the sulfonamidyl radicals formed.

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