Cas 643764-75-4,3-(tert-butyl-dimethyl-silanyloxy)-13-methyl-17-[4-(pyrrolidin-1-ylazo)-phenylethynyl]-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-ol

643764-75-4

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Basic information

Product Name: 3-(tert-butyl-dimethyl-silanyloxy)-13-methyl-17-[4-(pyrrolidin-1-ylazo)-phenylethynyl]-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-ol
Synonyms:
CAS NO:643764-75-4
Molecular Formula:
Molecular Weight: 583.889
EINECS: N/A
Product Categories: N/A

Chemical Properties

Melting Point: N/A
Boiling Point: N/A
Flash Point: N/A
Appearance: N/A
Density: N/A
Refractive Index: N/A
Storage Temp.: N/A
Solubility: N/A
CAS DataBase Reference: 3-(tert-butyl-dimethyl-silanyloxy)-13-methyl-17-[4-(pyrrolidin-1-ylazo)-phenylethynyl]-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-ol(CAS DataBase Reference)
NIST Chemistry Reference: 3-(tert-butyl-dimethyl-silanyloxy)-13-methyl-17-[4-(pyrrolidin-1-ylazo)-phenylethynyl]-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-ol(643764-75-4)
EPA Substance Registry System: 3-(tert-butyl-dimethyl-silanyloxy)-13-methyl-17-[4-(pyrrolidin-1-ylazo)-phenylethynyl]-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-ol(643764-75-4)

Safety Data

Hazard Codes: N/A
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Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 643764-75-4(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 643764-75-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,4,3,7,6 and 4 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 643764-75:
(8*6)+(7*4)+(6*3)+(5*7)+(4*6)+(3*4)+(2*7)+(1*5)=184
184 % 10 = 4
So 643764-75-4 is a valid CAS Registry Number.

643764-75-4Upstream product

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643764-75-4Relevant academic research and scientific papers

Synthesis and radiosynthesis of 17α -[p-(iodophenylethynyl)]estra-3,17β-diols

Wang, Jian,Watanabe, Masataka,Mataka, Shuntaro,Thiemann, Thies,Ribeiro Morais, Goreti,Roleira, Fernanda,Da Silva, Elisiario Tavares,Melo E Silva, Cristina

, p. 799 - 804 (2003)

Estrones have been subjected to an addition reaction with [(4-ethynylphenyl)azo]pyrrolidine to provide 17 α -{4-[(pyrrolidin-1-yl)-azo]phenylethynyl}estra-3,17 β-diols. A subsequent iodination with iodotrimethylsilane, produced in situ from chlorotrimethy

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