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108431-24-9

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108431-24-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 108431-24-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,8,4,3 and 1 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 108431-24:
(8*1)+(7*0)+(6*8)+(5*4)+(4*3)+(3*1)+(2*2)+(1*4)=99
99 % 10 = 9
So 108431-24-9 is a valid CAS Registry Number.

108431-24-9Downstream Products

108431-24-9Relevant articles and documents

A rapid stereocontrolled synthesis of the 3a-hydroxy-pyrrolo[2,3-b]indole skeleton, a building block for 10b-hydroxypyrazino[1′,2′:1,5]pyrrolo[2,3-b]indole-1,4-diones

Ley, Steven V.,Cleator, Ed,Hewitt, Peter R.

, p. 3492 - 3494 (2007/10/03)

A study was performed on the rapid stereocontrolled synthesis of the 3a-hydroxy-pyrrolo-[2,3-b]indole skeleton. A two-step selenocyclisation-oxidative deselenation sequence was used for the synthesis. It is reported that many biologically active natural products are based on this structure, such as the sporidesmins and certain members of the brevianamide and okaramine families.

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