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98990-62-6

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98990-62-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 98990-62-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,9,9 and 0 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 98990-62:
(7*9)+(6*8)+(5*9)+(4*9)+(3*0)+(2*6)+(1*2)=206
206 % 10 = 6
So 98990-62-6 is a valid CAS Registry Number.

98990-62-6Relevant articles and documents

Highly Efficient α-Organosulfonyloxylation of Carbonyl Compounds under Microwave Irradiation

Lee, Jong Chan,Choi, Ju-Hee

, p. 234 - 235 (2007/10/03)

Iodobenzene diacetate and organosulfonic acid mediated reaction of various carbonyl compounds under solventless microwave irradiation provided α-organosulfonyloxy carbonyl compounds in high yields.

Efficient method for α-iodination of ketones

Lee, Jong Chan,Jin, Yong Suk

, p. 2769 - 2774 (2007/10/03)

α-Iodoketones are prepared in high yields from the initial reaction of various ketones with HNIB in CH3CN and subsequent treatment of potassium iodide or samarium(II) iodide.

Preparation of 1-Arenesulfonyloxyalkyl Ketones

Hoffman, Robert V.

, p. 760 - 762 (2007/10/02)

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