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1301133-25-4

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1301133-25-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1301133-25-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,0,1,1,3 and 3 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1301133-25:
(9*1)+(8*3)+(7*0)+(6*1)+(5*1)+(4*3)+(3*3)+(2*2)+(1*5)=74
74 % 10 = 4
So 1301133-25-4 is a valid CAS Registry Number.

1301133-25-4Relevant articles and documents

A silver-promoted solid-phase guanidylation process enables the first total synthesis of stictamide A

Li, Xiang,Li, Yu-Lei,Chen, Yan,Zou, Yan,Zhuo, Xiao-Bin,Wu, Qiu-Ye,Zhao, Qing-Jie,Hu, Hong-Gang

, p. 94654 - 94657 (2015/11/24)

The first total synthesis of stictamide A, a structurally unique peptide with a statine motif and a N-prenyl modified arginine in the side chain, is disclosed. The requisite statine was achieved via stereoselective hydrogenation of a functionalized ketone. The N-prenyl modified arginine was constructed by a novel silver-promoted solid-phase strategy for the first time. This synthetic method can be generally applied to the efficient synthesis of peptides containing statine and/or arginine N-alkylation groups.

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