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229981-82-2

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229981-82-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 229981-82-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,9,9,8 and 1 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 229981-82:
(8*2)+(7*2)+(6*9)+(5*9)+(4*8)+(3*1)+(2*8)+(1*2)=182
182 % 10 = 2
So 229981-82-2 is a valid CAS Registry Number.

229981-82-2Downstream Products

229981-82-2Relevant articles and documents

New chemical and biological aspects of artemisinin-Derived trioxane dimers

Posner, Gary H,Northrop, John,Paik, Ik-Hyeon,Borstnik, Kristina,Dolan, Patrick,Kensler, Thomas W,Xie, Suji,Shapiro, Theresa A

, p. 227 - 232 (2002)

Joining two 10-deoxoartemisinin trioxane units via a p-diacetylbenzene linker produces new C-10 non-acetal dimers 3b and 3c. 1H spectroscopy allows unambiguous assignment of the stereochemistry at C-10 in these dimers. Successful replacement of

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