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1181669-45-3

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1181669-45-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1181669-45-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,1,6,6 and 9 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1181669-45:
(9*1)+(8*1)+(7*8)+(6*1)+(5*6)+(4*6)+(3*9)+(2*4)+(1*5)=173
173 % 10 = 3
So 1181669-45-3 is a valid CAS Registry Number.

1181669-45-3Downstream Products

1181669-45-3Relevant articles and documents

Efficient construction of oxa- and aza-[n.2.1] skeletons: Lewis acid catalyzed intramolecular [3+2] cycloaddition of cyclopropane 1,1-diesters with carbonyls and imines

Xing, Siyang,Pan, Wenyan,Liu, Chang,Ren, Jun,Wang, Zhongwen

supporting information; experimental part, p. 3215 - 3218 (2010/07/10)

Chemical equation presented Building bridges: A Lewis acid promoted intramolecular [3+2] cycloaddition of cyclopropane 1,1-diesters with aldehydes, ketones, and imines (see scheme) has been developed to provide a general and efficient strategy for construction of bridged oxa- and aza-[n.2.1] (n = 2,3,4) skeletons. To highlight this method, the core of platensimycin was also constructed.

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