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1254365-74-6

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1254365-74-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1254365-74-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,4,3,6 and 5 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1254365-74:
(9*1)+(8*2)+(7*5)+(6*4)+(5*3)+(4*6)+(3*5)+(2*7)+(1*4)=156
156 % 10 = 6
So 1254365-74-6 is a valid CAS Registry Number.

1254365-74-6Relevant articles and documents

A diastereoselective construction of pyrazinoisoquinoline skeletons via tandem cyclization of phenylalanine derivatives: A facile synthesis of optically active pyrazinoisoquinolines

Seki, Maki,Ogiku, Tsuyoshi

, p. 3864 - 3870 (2014/06/09)

A facile and stereocontrolled construction of optically active pyrazinoisoquinoline skeletons based on tandem cyclization of enantiopure phenylalanine derivatives was examined. The reaction provided optically active 6,11b-trans pyrazinoisoquinoline ring systems in excellent diastereoselectivity, and this method was applicable to the cyclization of phenylalanine derivatives with diverse substituents.

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