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937030-03-0

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937030-03-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 937030-03-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,3,7,0,3 and 0 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 937030-03:
(8*9)+(7*3)+(6*7)+(5*0)+(4*3)+(3*0)+(2*0)+(1*3)=150
150 % 10 = 0
So 937030-03-0 is a valid CAS Registry Number.

937030-03-0Relevant articles and documents

Multicomponent reaction of imidazo[1,5- a ]pyridine carbenes with aldehydes and dimethyl acetylenedicarboxylate or allenoates: A straightforward approach to fully substituted furans

Pan, Huan-Rui,Li, Yong-Jia,Yan, Cai-Xia,Xing, Juan,Cheng, Ying

supporting information; experimental part, p. 6644 - 6652 (2010/11/17)

The facile three-component reactions of N,N-substituted imidazo[1,5-a]pyridine carbenes, namely imidazo[1,5-a]pyridin-3-ylidenes, with aldehydes and DMAD or allenoates were disclosed. Both reactions proceeded via tandem nucleophilic addition, [3 + 2]-cycloaddition, and ring transformation to produce different 4-[(2-pyridyl)methyl]aminofuran derivatives generally in moderate yields. This work not only 'rovided the first example of the application of imidazo[1,5-a]pyridin-3-ylidenes in organic synthesis but also developed a straightforward approach to fully substituted furans that are not easily accessible by other methods.

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