Cas 81668-74-8,Carbonic acid 2-(4-chloro-benzenesulfonyl)-ethyl ester (2R,3S,5R)-3-hydroxy-5-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-2-ylmethyl ester

81668-74-8

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Basic information

Product Name: Carbonic acid 2-(4-chloro-benzenesulfonyl)-ethyl ester (2R,3S,5R)-3-hydroxy-5-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-2-ylmethyl ester
Synonyms: Carbonic acid 2-(4-chloro-benzenesulfonyl)-ethyl ester (2R,3S,5R)-3-hydroxy-5-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-2-ylmethyl ester
CAS NO:81668-74-8
Molecular Formula:
Molecular Weight: 488.903
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: Carbonic acid 2-(4-chloro-benzenesulfonyl)-ethyl ester (2R,3S,5R)-3-hydroxy-5-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-2-ylmethyl ester(CAS DataBase Reference)
NIST Chemistry Reference: Carbonic acid 2-(4-chloro-benzenesulfonyl)-ethyl ester (2R,3S,5R)-3-hydroxy-5-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-2-ylmethyl ester(81668-74-8)
EPA Substance Registry System: Carbonic acid 2-(4-chloro-benzenesulfonyl)-ethyl ester (2R,3S,5R)-3-hydroxy-5-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-2-ylmethyl ester(81668-74-8)

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: 81668-74-8(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 81668-74-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,6,6 and 8 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 81668-74:
(7*8)+(6*1)+(5*6)+(4*6)+(3*8)+(2*7)+(1*4)=158
158 % 10 = 8
So 81668-74-8 is a valid CAS Registry Number.

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81668-74-8Relevant academic research and scientific papers

THE APPLICATION OF 2-(4-CHLOROPHENYL)-SULFONYLETHOXYCARBONYL (CPSEC) GROUP IN THE SYNTHESIS OF A DNA SEGMENT USING THE PHOSPHOTRIESTER APPROACH

Josephson, Staffan,Balgobin, Neil,Chattopadhyaya, Jyoti

, p. 4537 - 4540 (1981)

The new base labile CPSEC group has been successfully employed for the protection of the 5'-hydroxyl function to synthesize a "universal Stop codon" DNA sequence: 5'd(TCAATCAATCA)3'.

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