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1315503-84-4

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1315503-84-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1315503-84-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,1,5,5,0 and 3 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1315503-84:
(9*1)+(8*3)+(7*1)+(6*5)+(5*5)+(4*0)+(3*3)+(2*8)+(1*4)=124
124 % 10 = 4
So 1315503-84-4 is a valid CAS Registry Number.

1315503-84-4Relevant articles and documents

Total synthesis of landomycin A, a potent antitumor angucycline antibiotic

Yang, Xiaoyu,Fu, Boqiao,Yu, Biao

, p. 12433 - 12435 (2011/10/02)

The first total synthesis of landomycin A, the longest and most potent antitumor angucycline antibiotic, has been achieved in 63 steps and 0.34% overall yield starting from 2,5-dihydroxybenzoic acid, 3,5-dimethylphenol, triacetyl d-glucal, and d-xylose, with a convergent linear sequence of 21 steps.

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