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1316889-29-8

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1316889-29-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1316889-29-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,1,6,8,8 and 9 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1316889-29:
(9*1)+(8*3)+(7*1)+(6*6)+(5*8)+(4*8)+(3*9)+(2*2)+(1*9)=188
188 % 10 = 8
So 1316889-29-8 is a valid CAS Registry Number.

1316889-29-8Relevant articles and documents

A hydrogen peroxide based access to qinghaosu (artemisinin)

Hao, Hong-Dong,Li, Yun,Han, Wei-Bo,Wu, Yikang

, p. 4212 - 4215 (2011)

Attachment of H2O2 onto the highly hindered quaternary C-12a in an advanced qinghaosu (artemisinin) precursor has been achieved through a facile perhydrolysis of a spiro epoxy ring with the aid of a previously unknown molybdenum species without involving any special equipment or complicated operations. The resultant β-hydroxyhydroperoxide can be further elaborated into qinghaosu, illustrating an entry fundamentally different from the existing ones to this outstanding natural product of great importance in malaria chemotherapy.

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