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4449-37-0

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4449-37-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4449-37-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,4,4 and 9 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 4449-37:
(6*4)+(5*4)+(4*4)+(3*9)+(2*3)+(1*7)=100
100 % 10 = 0
So 4449-37-0 is a valid CAS Registry Number.

4449-37-0Downstream Products

4449-37-0Relevant articles and documents

Investigation of Stereoselectivities in the Coupling Reactions of 1-O-Methyl-3,5-di-O-p-toluoyl-2-deoxyribofuranoside with Purines and Pyrimidines

Janardhanam, Selvasekaran,Nambiar, Krishnan P.

, p. 3657 - 3660 (2007/10/02)

Stereoselectivities in the coupling rection between 1-O-methyl-3,5-di-O-p-toluoyl-2-deoxyribofuranoside and suitably protected purine and pyrimidine derivatives have been examined in acetonitrile with varying equivalents of SnCl4.The best result in α-nucleoside formation was obtained when the coupling reaction was carried out in the presence of ten equivalents of SnCl4.

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