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1239967-87-3

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1239967-87-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1239967-87-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,9,9,6 and 7 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1239967-87:
(9*1)+(8*2)+(7*3)+(6*9)+(5*9)+(4*6)+(3*7)+(2*8)+(1*7)=213
213 % 10 = 3
So 1239967-87-3 is a valid CAS Registry Number.

1239967-87-3Downstream Products

1239967-87-3Relevant academic research and scientific papers

Total synthesis of brevenal

Takamura, Hiroyoshi,Yamagami, Yuji,Kishi, Takayuki,Kikuchi, Shigetoshi,Nakamura, Yuichi,Kadota, Isao,Yamamoto, Yoshinori

, p. 5329 - 5344 (2010)

The convergent total synthesis of brevenal, a non-toxic brevetoxin antagonist, has been achieved.The ABC ring segment and the E ring precursor were connected by the intramolecular allylation followed by ring-closing metathesis to furnish the pentacyclic e

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