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1133109-75-7

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1133109-75-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1133109-75-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,3,3,1,0 and 9 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1133109-75:
(9*1)+(8*1)+(7*3)+(6*3)+(5*1)+(4*0)+(3*9)+(2*7)+(1*5)=107
107 % 10 = 7
So 1133109-75-7 is a valid CAS Registry Number.

1133109-75-7Relevant articles and documents

First synthesis of racemic methylophiopogonanone B and its inhibitory activity of hypoxia-inducible factor-1α

Fujii, Mikio,Egawa, Kiyoshi,Hirai, Yasuaki,Kondo, Masato,Akita, Hiroyuki,Nose, Kiyoshi,Toriizuka, Kazuo,Ida, Yoshiteru

experimental part, p. 207 - 212 (2009/05/07)

Methylophiopogonanone B, a constituent of Ophiopogonis tuber, found to be a potent inhibitor of hypoxia induced factor-1 α (HIF-1 α) activity, was synthesized from 2,4,6-trihydroxy-3,5-dimethylacetophenone in 57% yield. The synthetic methylophiopogonanone

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