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639067-04-2

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639067-04-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 639067-04-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,9,0,6 and 7 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 639067-04:
(8*6)+(7*3)+(6*9)+(5*0)+(4*6)+(3*7)+(2*0)+(1*4)=172
172 % 10 = 2
So 639067-04-2 is a valid CAS Registry Number.

639067-04-2Downstream Products

639067-04-2Relevant articles and documents

Efficient synthesis of glycosylated phenazine natural products and analogs with DISAL (methyl 3,5-dinitrosalicylate) glycosyl donors.

Laursen, Jane B,Petersen, Lars,Jensen, Knud J,Nielsen, John

, p. 3147 - 3153 (2007/10/03)

Inspired by the occurrence and function of phenazines in natural products, new glycosylated analogs were designed and synthesized. DISAL (methyl 3,5-dinitrosalicylate) glycosyl donors were used in an efficient and easily-handled glycosylation protocol compatible with combinatorial chemistry. Benzoylated D-glucose, D-galactose and L-quinovose DISAL glycosyl donors were synthesized in high yields and used under mild conditions to glycosylate methyl saphenate and 2-hydroxyphenazine. The glycosides were screened for biological activity and one compound showed inhibitory activity towards topoisomerase II.

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