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99017-63-7

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99017-63-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 99017-63-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,0,1 and 7 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 99017-63:
(7*9)+(6*9)+(5*0)+(4*1)+(3*7)+(2*6)+(1*3)=157
157 % 10 = 7
So 99017-63-7 is a valid CAS Registry Number.

99017-63-7Relevant articles and documents

COUMARIN-MODIFIED ANDROGENS FOR THE TREATMENT OF PROSTATE CANCER

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Paragraph 0115, (2020/11/12)

Provided are androstane and dihydrotestosterone compounds functionalized with carbocyclic groups or heterocyclic groups that may be saturated or unsaturated. The compounds may be used in methods of inhibiting cell growth of malignant cells and/or hyperplastic cells and/or treating individuals having diseases associated with malignant cell growth (e.g., cancer, such as, for example, prostate cancer) and/or hyperplastic cell growth and/or molecular imaging of malignant cells and/or hyperplastic cells and/or inducing degradation of a target protein. Also provided are compositions.

Orthogonally protected thiazole and isoxazole diamino acids: An efficient synthetic route

Butler, Jeffrey D.,Coffman, Keith C.,Ziebart, Kristin T.,Toney, Michael D.,Kurth, Mark J.

supporting information; experimental part, p. 9002 - 9005 (2010/12/19)

An efficient strategy has been developed for the synthesis of heteroaromatic amino acids (HAAs). These methods generate mono-or orthogonally protected diamino acids from bamino acids (see scheme). Their synthetic reliability and biological potential was d

Intramolecular N-H, O-H, and S-H Insertion Reactions. Synthesis of Heterocycles from α-Diazo β-Keto Esters

Moyer, Mikel P.,Feldman, Paul L.,Rapoport, Henry

, p. 5223 - 5230 (2007/10/02)

Several aspects of the Rh2(OAc)4-catalyzed intramolecular N-H, O-H, and S-H insertion reactions have been studied.Examination of the effect of ring size revealed that four-, five- and six-membered nitrogen heterocycles can be efficiently prepared from the corresponding α-diazo β-keto ester precursors (9a-c), whereas competing C-H insertion prevented formation of the seven-membered heterocycle.Variations in solvent, temperature, and catalyst concentration were found to play an important role in determining the product distribution in the cyclization of the 6-carbamoyl 2-diazo 3-keto ester 9c.The intramolecular X-H insertion reaction has also been successful in the synthesis of oxygen (39) and sulfur (49) heterocycles as well as a heterocycle containing two (N, O) heteroatoms (34).

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