Cas 623941-89-9,(S)-2-[(S)-2-((2S,3S)-2-tert-Butoxycarbonylamino-3-methyl-pentanoylamino)-3-(3,4-dihydroxy-phenyl)-propionylamino]-3-(4-fluoro-3-nitro-phenyl)-propionic acid methyl ester

623941-89-9

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Basic information

Product Name: (S)-2-[(S)-2-((2S,3S)-2-tert-Butoxycarbonylamino-3-methyl-pentanoylamino)-3-(3,4-dihydroxy-phenyl)-propionylamino]-3-(4-fluoro-3-nitro-phenyl)-propionic acid methyl ester
Synonyms: (S)-2-[(S)-2-((2S,3S)-2-tert-Butoxycarbonylamino-3-methyl-pentanoylamino)-3-(3,4-dihydroxy-phenyl)-propionylamino]-3-(4-fluoro-3-nitro-phenyl)-propionic acid methyl ester
CAS NO:623941-89-9
Molecular Formula:
Molecular Weight: 634.659
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: (S)-2-[(S)-2-((2S,3S)-2-tert-Butoxycarbonylamino-3-methyl-pentanoylamino)-3-(3,4-dihydroxy-phenyl)-propionylamino]-3-(4-fluoro-3-nitro-phenyl)-propionic acid methyl ester(CAS DataBase Reference)
NIST Chemistry Reference: (S)-2-[(S)-2-((2S,3S)-2-tert-Butoxycarbonylamino-3-methyl-pentanoylamino)-3-(3,4-dihydroxy-phenyl)-propionylamino]-3-(4-fluoro-3-nitro-phenyl)-propionic acid methyl ester(623941-89-9)
EPA Substance Registry System: (S)-2-[(S)-2-((2S,3S)-2-tert-Butoxycarbonylamino-3-methyl-pentanoylamino)-3-(3,4-dihydroxy-phenyl)-propionylamino]-3-(4-fluoro-3-nitro-phenyl)-propionic acid methyl ester(623941-89-9)

Safety Data

Hazard Codes: N/A
Statements: N/A
Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 623941-89-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 623941-89-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,2,3,9,4 and 1 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 623941-89:
(8*6)+(7*2)+(6*3)+(5*9)+(4*4)+(3*1)+(2*8)+(1*9)=169
169 % 10 = 9
So 623941-89-9 is a valid CAS Registry Number.

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623941-89-9Relevant academic research and scientific papers

Total synthesis of an atropdiastereomer of RP-66453 and determination of its absolute configuration

Bois-Choussy, Michle,Cristau, Pierre,Zhu, Jieping

, p. 4238 - 4241 (2003)

The absolute configuration (aR, S, S, S, S, S) was assigned to the natural product RP-66453 (1) after the total synthesis of its atropdiastereomer and spectroscopic studies on the two compounds. A sequence of SNAr-based cyclo-etherification and

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