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129687-72-5

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129687-72-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 129687-72-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,6,8 and 7 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 129687-72:
(8*1)+(7*2)+(6*9)+(5*6)+(4*8)+(3*7)+(2*7)+(1*2)=175
175 % 10 = 5
So 129687-72-5 is a valid CAS Registry Number.

129687-72-5Relevant articles and documents

The Synthesis of Benzofuroquinolines. VIII. Some Halobenzofuroquinoline Derivatives

Yamaguchi, Seiji,Yokoi, Takashi,Yamada, Minoru,Arai, Hitomi,Uchiuzo, Yasuto,Kawase, Yoshiyuki

, p. 1003 - 1005 (2007/10/02)

Three 2-halo-6(5H)-benzofuroquinolinones 1 (X = F, Cl, Br) were synthesized in two procedures, photocyclization of N-benzyl-N-(p-halophenyl)-2-benzofurancarboxamides 3 (X = F, Cl, Br) and condensation of 2-amino-2'-hydroxybenzophenones 7 (X = F, Cl

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