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1309982-12-4

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1309982-12-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1309982-12-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,0,9,9,8 and 2 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1309982-12:
(9*1)+(8*3)+(7*0)+(6*9)+(5*9)+(4*8)+(3*2)+(2*1)+(1*2)=174
174 % 10 = 4
So 1309982-12-4 is a valid CAS Registry Number.

1309982-12-4Downstream Products

1309982-12-4Relevant articles and documents

Synthesis and antiproliferative evaluation of 23-hydroxybetulinic acid derivatives

Lan, Ping,Wang, Jiao,Zhang, Dong-Mei,Shu, Chang,Cao, Hui-Hui,Sun, Ping-Hua,Wu, Xiao-Ming,Ye, Wen-Cai,Chen, Wei-Min

experimental part, p. 2490 - 2502 (2011/06/24)

Based on structural modifications of the natural 23-hydroxybetulinic acid, a series of novel its derivatives had been synthesized. The new compounds were screened for in vitro antiproliferative activity against cancer cell lines HeLa, MCF-7, HepG2, B16 and A375 using doxorubicin as a reference. The vast majority of derivatives had exhibited potent tumor growth inhibitory activity than original compound. The derivatives 4, 5, 7, 20, 23, 26, 43 and 44 with IC 50 values lower than 10 μM on all tested cell lines were regarded as the most promising compounds. The structure-activity relationships of 23-hydroxybetulinic acid derivatives were also discussed in the present investigations.

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