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870781-77-4

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870781-77-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 870781-77-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,0,7,8 and 1 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 870781-77:
(8*8)+(7*7)+(6*0)+(5*7)+(4*8)+(3*1)+(2*7)+(1*7)=204
204 % 10 = 4
So 870781-77-4 is a valid CAS Registry Number.

870781-77-4Relevant articles and documents

Synthesis of novel thiazolyl-pyrimidines and their anticancer activity in vitro

Shi, Hai-Bo,Li, Hai-Bo,Lu, Kong-Qin,Zhu, Xia-Re,Hu, Wei-Xiao,Pei, Wen

, p. 675 - 683 (2012/06/01)

A series of novel compounds 7-43 were prepared via the condensation of enaminones 4a-h and the guanidines carbonate 6a-f. The structures of these newly synthesized compounds were confirmed by 1H-NMR, MS, EA and IR. All the compounds were tested for their cytotoxic activity in vitro against human cancer cell lines including Ishikawa, A549, BEL-7404, SPC-A-01 and SGC-7901. Most of them showed moderate cytotoxic against the tested cell lines. Among them, the most potent compounds 9 and 30 exhibited more efficient activity against Ishikawa, A549. Thiazolyl-pyrimidines were synthesized by the general pyrimidine condensation of Bredereck and their in-vitro anticancer activities were evaluated. Copyright

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