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1269103-70-9

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1269103-70-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1269103-70-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,9,1,0 and 3 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1269103-70:
(9*1)+(8*2)+(7*6)+(6*9)+(5*1)+(4*0)+(3*3)+(2*7)+(1*0)=149
149 % 10 = 9
So 1269103-70-9 is a valid CAS Registry Number.

1269103-70-9Relevant articles and documents

Total synthesis of bioactive indolo[3,2-j]phenanthridine alkaloid, calothrixin B

Tohyama, Shigeo,Choshi, Tominari,Matsumoto, Kohji,Yamabuki, Akira,Hieda, Yuhzo,Nobuhiro, Junko,Hibino, Satoshi

, p. 397 - 416 (2011/04/16)

The total synthesis of bioactive calothrixin B (2) was completed which two kinds of carbazoles using three approaches. The common strategy was based on an allene-mediated electrocyclic reaction of a 6π-electron system involving one or two indole [b]-bonds

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