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91388-12-4

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91388-12-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91388-12-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,3,8 and 8 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 91388-12:
(7*9)+(6*1)+(5*3)+(4*8)+(3*8)+(2*1)+(1*2)=144
144 % 10 = 4
So 91388-12-4 is a valid CAS Registry Number.

91388-12-4Downstream Products

91388-12-4Relevant articles and documents

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Bastian,Royer

, p. 157 - 160 (2007/10/02)

Formylated and acetylated derivatives of 2-phenyl and 3-phenyl naphtho[1,2-b]furans and of 1-phenyl and 2-phenyl naphtho[2,1-b]furans were perpared for comparison of their biological properties to these of benzofavones. Among the compounds obtained, 2-phenyl naphtho[2,1-b]furan derivatives formylated or acetylated at the 5-position inhibit the metabolic hydroxylation of benzo[a]pyren by live microsomes in rats in a manner identical to that of β-benzoflavone.

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