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144630-81-9

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144630-81-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 144630-81-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,6,3 and 0 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 144630-81:
(8*1)+(7*4)+(6*4)+(5*6)+(4*3)+(3*0)+(2*8)+(1*1)=119
119 % 10 = 9
So 144630-81-9 is a valid CAS Registry Number.

144630-81-9Relevant articles and documents

Synthesis of pyrido[2,3,4-kl]acridines a building block for the synthesis of pyridoacridine alkaloids

Gellerman, Gari,Rudi, Amira,Kashman, Yoel

, p. 5577 - 5580 (2007/10/02)

Two new syntheses have been developed for the preparation of substituted pyrido[2,3,4-kl]acridines. The first synthesis involves a Skraup reaction and a nitrene insertion whereas the second includes a new pyridine ring synthesis starting from a 1-amino gr

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