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1225441-65-5

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1225441-65-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1225441-65-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,5,4,4 and 1 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1225441-65:
(9*1)+(8*2)+(7*2)+(6*5)+(5*4)+(4*4)+(3*1)+(2*6)+(1*5)=125
125 % 10 = 5
So 1225441-65-5 is a valid CAS Registry Number.

1225441-65-5Relevant articles and documents

Synthesis, structure-activity relationships, and mechanism of action of anti-HIV-1 lamellarin α 20-sulfate analogues

Kamiyama, Haruka,Kubo, Yoshinao,Sato, Hironori,Yamamoto, Naoki,Fukuda, Tsutomu,Ishibashi, Fumito,Iwao, Masatomo

, p. 7541 - 7550 (2012/01/13)

Lamellarin α and six different types of lamellarin α 20-sulfate analogues were synthesized and their structure-activity relationships were investigated using a single round HIV-1 vector infection assay. All lamellarin sulfates having pentacyclic lamellarin core exhibited anti-HIV-1 activity at a 10 μM concentration range regardless of the number and position of the sulfate group. On the other hand, non-sulfated lamellarin α and ring-opened lamellarin sulfate analogues did not affect HIV-1 vector infection in similar concentrations. The lamellarin sulfates utilized in this study did not exhibit unfavorable cytotoxic effect under the concentrations tested (IC50 > 100 μM). Confocal laser scanning microscopic analysis indicated that hydrophilic lamellarin sulfates were hardly incorporated in the cell. HIV-1 Env-mediated cell-cell fusion was suppressed by lamellarin sulfates. These results suggested that lamellarin sulfates have a novel anti-HIV-1 activity besides the previously reported integrase activity inhibition, possibly at a viral entry step of HIV-1 replication.

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