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166985-85-9

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166985-85-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 166985-85-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,6,9,8 and 5 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 166985-85:
(8*1)+(7*6)+(6*6)+(5*9)+(4*8)+(3*5)+(2*8)+(1*5)=199
199 % 10 = 9
So 166985-85-9 is a valid CAS Registry Number.

166985-85-9Relevant articles and documents

N-Heterocyclic carbene-catalyzed annulation of ynals with amidines: Access to 1,2,6-trisubstituted pyrimidin-4-ones

Xie, Yangxi,Wang, Jian

, p. 4597 - 4600 (2018/05/14)

An N-heterocyclic carbene-catalyzed annulation of ynals and amidines has been reported to construct pyrimidin-4-ones. The protocol features a broad substrate scope and mild conditions. Furthermore, an oxidative strategy to catalytically generate ynal-deri

Palladium-catalyzed intramolecular C(sp2)-H amidination by isonitrile insertion provides direct access to 4-aminoquinazolines from N-arylamidines

Wang, Yong,Wang, Honggen,Peng, Jiangling,Zhu, Qiang

supporting information; experimental part, p. 4604 - 4607 (2011/10/12)

An efficient method for the synthesis of 4-amino-2-aryl(alkyl)quinazolines from readily available N-arylamidines and isonitriles via palladium-catalyzed intramolecular aryl C-H amidination by isonitrile insertion has been developed.

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