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122767-87-7

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122767-87-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 122767-87-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,2,7,6 and 7 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 122767-87:
(8*1)+(7*2)+(6*2)+(5*7)+(4*6)+(3*7)+(2*8)+(1*7)=137
137 % 10 = 7
So 122767-87-7 is a valid CAS Registry Number.

122767-87-7Relevant articles and documents

SYNTHESIS OF THREE NATURAL 1,3-DIARYLPROPANES: TWO REVISED STRUCTURES

Morais, Anselmo A.,Fo, Raimundo Braz,Fraiz, Silas V. Jr

, p. 239 - 242 (1989)

1-(2',4'-dihydroxy-3',5'-dimethylphenyl)-3-(2"-hydroxy-4",5"-methylenedioxyphenyl)-Propane, isolated from Iryanthera coriacea and I. laevis, 1-(2'-hydroxy-4'-methoxy-5'-methylphenyl)-3-(2"-hydroxy-4",5"-methylene-dioxyphenyl)-propane, isolated from I. laevis, and 1-(2'-hydroxy-4'-methoxyphenyl)-3-(3"-hydroxy-4"-methoxyphenyl)-propane, isolated from Virola multinervia, were synthesized by processes which involved catalityc hydrogenation of the appropriate chalcones and Clemmensen reduction of dihydrochalcones.Only the structures of 1,3-diarylpropanes isolated from V. multinervia and I. laevis were revised. - Keywords: Virola multinervia; Iryanthera coriaceae; I. laevis; Myristicaceae; 1,3-diarylpropanes; synthesis; reduction of chalcones and dihydrochalcones.

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