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913985-90-7

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913985-90-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 913985-90-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,3,9,8 and 5 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 913985-90:
(8*9)+(7*1)+(6*3)+(5*9)+(4*8)+(3*5)+(2*9)+(1*0)=207
207 % 10 = 7
So 913985-90-7 is a valid CAS Registry Number.

913985-90-7Relevant articles and documents

The first total synthesis of (±)-annosqualine by means of oxidative enamide-phenol coupling: pronounced effect of phenoxide formation on the phenol oxidation mechanism

Shigehisa, Hiroki,Takayama, Jun,Honda, Toshio

, p. 7301 - 7306 (2007/10/03)

The first total synthesis of a spiro-isoquinoline alkaloid, (±)-annosqualine, was established by employing an enamide-phenol coupling of a 1-methylene-1,2,3,4-tetrahydroisoquinoline derivative with a hypervalent iodine reagent, where the formation of the

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