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120638-47-3

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120638-47-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 120638-47-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,6,3 and 8 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 120638-47:
(8*1)+(7*2)+(6*0)+(5*6)+(4*3)+(3*8)+(2*4)+(1*7)=103
103 % 10 = 3
So 120638-47-3 is a valid CAS Registry Number.

120638-47-3Downstream Products

120638-47-3Relevant articles and documents

Cycloadditions of (Alkylarylamino)ketenes with Imines. cis-3-Amino-2-azetidinones

Brady, William T.,Gu, Yi Qi

, p. 2838 - 2842 (2007/10/02)

The in situ cycloaddition of (alkylarylamino)ketenes with various imines to form predominately cis-3-amino-2-azetidinones is described.A mechanism involving a dipolar intermediate is provided whereby the structure of the intermediate is determined by both

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