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213459-69-9

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213459-69-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 213459-69-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,3,4,5 and 9 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 213459-69:
(8*2)+(7*1)+(6*3)+(5*4)+(4*5)+(3*9)+(2*6)+(1*9)=129
129 % 10 = 9
So 213459-69-9 is a valid CAS Registry Number.

213459-69-9Relevant articles and documents

Total synthesis of terprenin, a highly potent and novel immunoglobulin E antibody suppressant

Kawada, Kenji,Arimura, Akinori,Tsuri, Tatsuo,Fuji, Masahiro,Komurasaki, Tadafumi,Yonezawa, Shuji,Kugimiya, Akira,Haga, Nobuhiro,Mitsumori, Susumu,Inagaki, Masanao,Nakatani, Takuji,Tamura, Yoshinori,Takechi, Shozo,Taishi, Teruhiko,Kishino, Junji,Ohtani, Mitsuaki

, p. 973 - 975 (2007/10/03)

Regioselective halogenations and Suzuki reactions ensure proper linkage of the aromatic rings in two total syntheses of terprenin (1). Both route make it possible to prepare 1 efficiently and in large quantity.

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