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1334681-68-3

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1334681-68-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1334681-68-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,4,6,8 and 1 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1334681-68:
(9*1)+(8*3)+(7*3)+(6*4)+(5*6)+(4*8)+(3*1)+(2*6)+(1*8)=163
163 % 10 = 3
So 1334681-68-3 is a valid CAS Registry Number.

1334681-68-3Relevant academic research and scientific papers

Tataricins A and B, two novel cyclotetrapeptides from Aster tataricus, and their absolute configuration assignment

Xu, Hui-Min,Yi, Hua,Zhou, Wen-Bing,He, Wen-Jun,Zeng, Gang-Zhi,Xu, Wen-Yan,Tan, Ning-Hua

, p. 1380 - 1383 (2013/04/23)

Two novel cyclotetrapeptides, tataricins A and B, with a unique cyclopeptide backbone and aδ 2,4Pro side chain, were isolated from the traditional Chinese medicine Aster tataricus. Their structures and absolute configurations were determined using a combination of spectroscopic data, the advanced Marfey's method, and a total synthesis. Copyright

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