Cas 1202749-89-0,C<sub>17</sub>H<sub>15</sub>NO

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Check Digit Verification of cas no

The CAS Registry Mumber 1202749-89-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,2,7,4 and 9 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1202749-89:
(9*1)+(8*2)+(7*0)+(6*2)+(5*7)+(4*4)+(3*9)+(2*8)+(1*9)=140
140 % 10 = 0
So 1202749-89-0 is a valid CAS Registry Number.

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1202749-89-0Relevant articles and documents

New route synthesis of indolizines via 1,3-dipolar cycloaddition of pyridiniums and alkynes

Shang, Yongjia,Zhang, Min,Yu, Shuyan,Ju, Kai,Wang, Cuie,He, Xinwei

experimental part, p. 6981 - 6984 (2010/02/27)

A convenient synthesis of 2,3-di and 1,2,3-trisubstituted indolizines has been achieved via a 1,3-dipolar cycloaddition of pyridiniums and alkynes. Various alkynes and diynes were used instead of dimethyl acetylenedicarboxylate (DMAD) and its analogues in

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CAS

1202749-89-0