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138688-18-3

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138688-18-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138688-18-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,6,8 and 8 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 138688-18:
(8*1)+(7*3)+(6*8)+(5*6)+(4*8)+(3*8)+(2*1)+(1*8)=173
173 % 10 = 3
So 138688-18-3 is a valid CAS Registry Number.

138688-18-3Downstream Products

138688-18-3Relevant academic research and scientific papers

Partial Synthesis of Some Diterpenoids with Potential Antitumor Acitivity

Ali, Mohammed Shaiq,Baynham, Mark K.,Hanson, James R.,Hitchcock, Peter B.

, p. 2679 - 2682 (2007/10/02)

The diterpenoid fungal metabolite, fujenal, has been converted into analogues of the Rabdosia diterpenoids, ent-7-hydroxy-15-oxo-6,7-secokaur-16-en-6,19-dioic acid 6,7-lactone 19-methyl ester and ent-7-acetoxy-19-hydroxy-15-oxo-6,7-secokaur-16-en-6-oic acid 6,19-lactone which possess moderate inhibitory activity against HeLa cells.

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