Cas 1193357-75-3,C37H33IO5

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Check Digit Verification of cas no

The CAS Registry Mumber 1193357-75-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,9,3,3,5 and 7 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1193357-75:
(9*1)+(8*1)+(7*9)+(6*3)+(5*3)+(4*5)+(3*7)+(2*7)+(1*5)=173
173 % 10 = 3
So 1193357-75-3 is a valid CAS Registry Number.

1193357-75-3Upstream product

1239860-58-2 C₁₇H₁₈O₃

1193357-75-3Downstream Products

1193357-75-3Relevant academic research and scientific papers

Stereocontolled synthesis of (-)-afzelechin: General route to catechin-class polyphenols by solving an SN2 vs. SN1 problem

Ohmori, Ken,Takeda, Megumi,Higuchi, Takashi,Shono, Tomohiro,Suzuki, Keisuke

supporting information, p. 934 - 935,2 (2020/08/31)

Stereocontrolled synthesis of (-)-afzelechin was achieved via the Mitsunobu reaction, where complete stereospecificity was observed when an electron-withdrawing group was introduced to the para-position of the B-ring fragment. Copyright

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