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222716-36-1

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222716-36-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 222716-36-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,2,7,1 and 6 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 222716-36:
(8*2)+(7*2)+(6*2)+(5*7)+(4*1)+(3*6)+(2*3)+(1*6)=111
111 % 10 = 1
So 222716-36-1 is a valid CAS Registry Number.

222716-36-1Relevant articles and documents

Structure-activity relationship among purpurinimides and bacteriopurpurinimides: Trifluoromethyl substituent enhanced the photosensitizing efficacy

Gryshuk, Amy,Chen, Yihui,Goswami, Lalit N.,Pandey, Suresh,Missert, Joseph R.,Ohulchanskyy, Tymish,Potter, William,Prasad, Paras N.,Oseroff, Allan,Pandey, Ravindra K.

, p. 1754 - 1767 (2007)

At similar lipophilicity, compared to the nonfluorinated purpurinimide 11, the corresponding fluorinated analog 8 with a trifluoromethyl substituent at the lower half (position-132) of the molecule showed enhanced photosensitizing efficacy. The structural parameters established in purpurinimides (λmax: 700 nm) were successfully translated to the bacteriopurpurin imide system 19 (λmax: 792 nm) and within both series, a monotonic relationship between the lipophilicity and the in vivo PDT activity was observed. For preparing water-soluble compounds, the photosensitizers 8 and 19 were converted into the corresponding aminobenzyldiethylenetriamine pentaacetate conjugates 23 and 26. Acid treatment of purpurinimide 23 produced the corresponding water-soluble analog 24. Bacteriochlorin 26 under acidic or basic conditions mainly gave the decomposition products. At similar in vivo treatment conditions (C3H mice with RIF tumors and BALB-C mice with colon-26 tumors) the water-soluble purpurinimide 24 was found to be more effective than the methyl ester analog 8. These results suggest that besides overall lipophilicity the inherent charge of the photosensitizer also influences the PDT efficacy.

P-benzoquinone diazide core skeleton derivative as well as preparation method and application thereof

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Paragraph 0046; 0064-0068, (2020/03/17)

The invention relates to a p-benzoquinone diazide core skeleton derivative and a preparation method and application, thereof, belongs to. the field of organic chemistry, and can effectively treat-ovarian-ovarian cancer-carcinoma STAT3-ovarian, cancer-ATG4

Naphthoquinone-fused triazole core skeleton derivative compound, preparation method and application thereof

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Paragraph 0043; 0061-0065; 0165-0169; 0256-0260, (2019/10/01)

The invention relates to a naphthoquinone-fused triazole core skeleton derivative compound, relates to a preparation method and application of the naphthoquinone-triazole core skeleton derivative compound, and belongs to the field of organic chemistry. Th

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