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21860-48-0

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21860-48-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21860-48-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,8,6 and 0 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 21860-48:
(7*2)+(6*1)+(5*8)+(4*6)+(3*0)+(2*4)+(1*8)=100
100 % 10 = 0
So 21860-48-0 is a valid CAS Registry Number.

21860-48-0Relevant articles and documents

Silver(I)-Promoted Radical Sulfonylation of Allyl/Propargyl Alcohols: Efficient Synthesis of γ-Keto Sulfones

Fang, Guichun,Liu, Jianquan,Shang, Weidong,Liu, Qun,Bi, Xihe

, p. 3334 - 3338 (2016/12/14)

An efficient Ag2CO3-promoted sulfonylation of allyl/propargyl alcohols with sodium sulfinates has been developed. The reaction tolerates a wide range of functional groups to deliver γ-keto sulfones in high yields (up to 93 %). Propargyl alcohols furnished trimerization product 1,3,5-triaroylbenzenes in the presence of sodium methanesulfinate under the standard conditions. A mechanism involving a sulfonyl radical was suggested.

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