Cas 156574-89-9,2-[7-(2-Hydroxy-ethyl)-4,10-bis-(toluene-4-sulfonyl)-1,4,7,10-tetraaza-cyclododec-1-yl]-ethanol

156574-89-9

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Basic information

Product Name: 2-[7-(2-Hydroxy-ethyl)-4,10-bis-(toluene-4-sulfonyl)-1,4,7,10-tetraaza-cyclododec-1-yl]-ethanol
Synonyms:
CAS NO:156574-89-9
Molecular Formula:
Molecular Weight: 568.759
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: 2-[7-(2-Hydroxy-ethyl)-4,10-bis-(toluene-4-sulfonyl)-1,4,7,10-tetraaza-cyclododec-1-yl]-ethanol(CAS DataBase Reference)
NIST Chemistry Reference: 2-[7-(2-Hydroxy-ethyl)-4,10-bis-(toluene-4-sulfonyl)-1,4,7,10-tetraaza-cyclododec-1-yl]-ethanol(156574-89-9)
EPA Substance Registry System: 2-[7-(2-Hydroxy-ethyl)-4,10-bis-(toluene-4-sulfonyl)-1,4,7,10-tetraaza-cyclododec-1-yl]-ethanol(156574-89-9)

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: 156574-89-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 156574-89-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,5,7 and 4 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 156574-89:
(8*1)+(7*5)+(6*6)+(5*5)+(4*7)+(3*4)+(2*8)+(1*9)=169
169 % 10 = 9
So 156574-89-9 is a valid CAS Registry Number.

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156574-89-9Relevant academic research and scientific papers

Regioselective synthesis of 1,7-diprotected 1,4,7,10-tetraazacyclododecane and preparation of a dialcohol dicarboxylic macrocyclic ligand

Dumont, Arnaud,Jacques, Vincent,Qixiu, Peng,Desreux, Jean F.

, p. 3707 - 3710 (1994)

The reaction of 1,4,7,10-tetraazacyclododecane with p-toluenesulfonyl chloride in pyridine or with diethyl phosphite and CCl4 in a water/CH2Cl2 mixture yields selectively the 1,7-diprotected regioisomer.The 1,7-diprotected tetraaza cycles are interesting

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