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225090-51-7

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225090-51-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 225090-51-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,5,0,9 and 0 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 225090-51:
(8*2)+(7*2)+(6*5)+(5*0)+(4*9)+(3*0)+(2*5)+(1*1)=107
107 % 10 = 7
So 225090-51-7 is a valid CAS Registry Number.

225090-51-7Downstream Products

225090-51-7Relevant articles and documents

Enantioselective total synthesis of a potent antitumor antibiotic, fredericamycin A

Kita,Higuchi,Yoshida,Iio,Kitagaki,Ueda,Akai,Fujioka

, p. 3214 - 3222 (2007/10/03)

The asymmetric total synthesis of both enantiomers of the potent antitumor antibiotic fredericamycin A (1) is detailed based on the protocol for the construction of its peri-hydroxy polyaromatic skeleton bearing the chirality at the spiro carbon via a str

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