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549544-14-1

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549544-14-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 549544-14-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,4,9,5,4 and 4 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 549544-14:
(8*5)+(7*4)+(6*9)+(5*5)+(4*4)+(3*4)+(2*1)+(1*4)=181
181 % 10 = 1
So 549544-14-1 is a valid CAS Registry Number.

549544-14-1Relevant articles and documents

Synthesis of 1,6-disubstituted 4,5,6,7-tetrahydropyrazolo[3,4-c]pyridin-7- one derivatives and evaluation of their anticancer activity

Devegowda, Vani Nelamane,Seo, Seon Hee,Pae, Ae Nim,Nam, Ghilsoo,Choi, Kyung Il

scheme or table, p. 647 - 650 (2012/05/04)

Promising anticancer compounds of the type 1,6-disubstituted 4,5,6,7-tetrahydropyrazolo[3,4-c]pyridin-7-ones were identified. The target compounds were readily synthesized in a large scale via a sequence of reactions starting from the commercially available primary amines. Their in vitro anti-proliferative activity has been evaluated on prostate (DU-145), colon (HT-29 and HCT-116) and melanoma (A375P) human cancer cell lines. The relationships between the structure and the anticancer activity, covering all tested cancer cell lines, revealed that the compound 5c with 2,4-dimethylphenyl substituent at R2 was the most potent with the IC50 values in the range as low as 0.16 to 0.40 μM.

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