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106140-31-2

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106140-31-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 106140-31-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,6,1,4 and 0 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 106140-31:
(8*1)+(7*0)+(6*6)+(5*1)+(4*4)+(3*0)+(2*3)+(1*1)=72
72 % 10 = 2
So 106140-31-2 is a valid CAS Registry Number.

106140-31-2Relevant articles and documents

Functionalized 2-Azabicyclononanes. 6. Studies Directed to the Synthesis of Pentacyclic Strychnos Indole Alkaloids

Bonjoch, Josep,Casamitjana, Nuria,Quirante, Josefina,Rodriguez, Manuel,Bosch, Joan

, p. 267 - 275 (2007/10/02)

A new synthetic entry to the pentacyclic ring system of Strychnos indole alkaloids, based on the elaboration of the indolenine ring by Fischer indole synthesis in the last step, is investigated.The required tricyclic amino ketone 1 was prepared from N-(hy

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