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C48H68O7Si is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

221388-56-3

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221388-56-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 221388-56-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,1,3,8 and 8 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 221388-56:
(8*2)+(7*2)+(6*1)+(5*3)+(4*8)+(3*8)+(2*5)+(1*6)=123
123 % 10 = 3
So 221388-56-3 is a valid CAS Registry Number.

221388-56-3Relevant academic research and scientific papers

Total synthesis of brevetoxin A: Part 4: Final stages and completion

Nicolaou,Gunzner, Janet L.,Shi, Guo-Qiang,Agrios, Konstantinos A.,Gaertner, Peter,Yang, Zhen

, p. 646 - 658 (2007/10/03)

The total synthesis of brevetoxin A is described. Our methodology of palladium-catalyzed couplings with cyclic ketene acetal phosphates was utilized to functionalize nine-membered ring lactone 4 followed by a [4 + 2] singlet oxygen addition to the resulti

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