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677751-25-6

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677751-25-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 677751-25-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,7,7,5 and 1 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 677751-25:
(8*6)+(7*7)+(6*7)+(5*7)+(4*5)+(3*1)+(2*2)+(1*5)=206
206 % 10 = 6
So 677751-25-6 is a valid CAS Registry Number.

677751-25-6Downstream Products

677751-25-6Relevant articles and documents

Stereoselective construction of BC-ring unit of 19-hydroxytaxol by samarium(II) iodide-mediated double aldol cyclization

Matsuo, Jun-Ichi,Ogawa, Yasuyuki,Pudhom, Khanitha,Mukaiyama, Teruaki

, p. 124 - 125 (2004)

The C-ring of 19-hydroxytaxol is stereoselectively constructed by samarium(II) iodide-mediated intramolecular double aldol cyclization of epoxyketo aldehyde to form the BC-ring unit which has the desired stereochemistry.

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