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18306-26-8

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18306-26-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 18306-26-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,3,0 and 6 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 18306-26:
(7*1)+(6*8)+(5*3)+(4*0)+(3*6)+(2*2)+(1*6)=98
98 % 10 = 8
So 18306-26-8 is a valid CAS Registry Number.

18306-26-8Relevant articles and documents

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Noll

, p. 3149 (1955)

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A new and general route to N-unsubstituted azomethine ylides from N-(silylmethyl)thioureas: Cycloaddition of synthetic equivalents of nonstabilized aminonitrile ylides

Tsuge, Otohiko,Hatta, Taizo,Kakura, Yoshikazu,Tashiro, Hideki,Maeda, Hironori,Kakehi, Akikazu

, p. 945 - 946 (2007/10/03)

The S-methylation of N-(silylmethyl)thioureas followed by the desilylation generates N-unsubstituted azomethine ylides having both methylthio and amino groups at the ylide carbon. These azomethine ylides react with electron-deficient olefins to give forma

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