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1161881-57-7

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1161881-57-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1161881-57-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,6,1,8,8 and 1 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1161881-57:
(9*1)+(8*1)+(7*6)+(6*1)+(5*8)+(4*8)+(3*1)+(2*5)+(1*7)=157
157 % 10 = 7
So 1161881-57-7 is a valid CAS Registry Number.

1161881-57-7Downstream Products

1161881-57-7Relevant articles and documents

A flexible route to new spirodioxanes, oxathianes, and morpholines

Goubert, Marlène,Canet, Isabelle,Sinibaldi, Marie-Eve

experimental part, p. 4182 - 4189 (2009/09/30)

This work describes a modular efficient route to 10-aza-4-thia-, 10-aza-4-oxa-, and 10-oxa-4-thia-1,7-dioxaspiro[5.5]undecanes. The synthetic pathway relies upon the iterative nucleophilic substitution of 1,3-dichloropropan-2-one O-benzyloxime by solketal

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