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138835-73-1

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138835-73-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138835-73-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,8,3 and 5 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 138835-73:
(8*1)+(7*3)+(6*8)+(5*8)+(4*3)+(3*5)+(2*7)+(1*3)=161
161 % 10 = 1
So 138835-73-1 is a valid CAS Registry Number.

138835-73-1Downstream Products

138835-73-1Relevant articles and documents

Stereochemistry of the macrolactins

Rychnovsky, Scott D.,Skalitzky, Donald J.,Pathirana, Charles,Jensen, Paul R.,Fenical, William

, p. 671 - 677 (2007/10/02)

The macrolactins are a group of six 24-membered ring lactones isolated from a taxonomically-undefinable deep sea bacterium. Macrolactin A, the parent aglycone, shows a number of interesting biological activities, including the protection of T-lympboblast cells against human HIV viral replication. Herein we report the stereochemistries of macrolactin B and macrolactin F, which were determined by a combination of 13C-acetonide analysis using isotopically enriched acetone, oxidative degradation, and chemical correlation. Macrolactins B and F were found to have the same stereochemistry at each of the common stereogenic centers, and so we expect that macrolactin A, the aglycone of macrolactin B, has the stereochemistry 7S,13S,15R,23R.

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