Cas 81668-77-1,Carbonic acid 2-(4-chloro-benzenesulfonyl)-ethyl ester (2R,3S,5R)-5-[6-(3-chloro-benzoylamino)-purin-9-yl]-3-hydroxy-tetrahydro-furan-2-ylmethyl ester

81668-77-1

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Basic information

Product Name: Carbonic acid 2-(4-chloro-benzenesulfonyl)-ethyl ester (2R,3S,5R)-5-[6-(3-chloro-benzoylamino)-purin-9-yl]-3-hydroxy-tetrahydro-furan-2-ylmethyl ester
Synonyms:
CAS NO:81668-77-1
Molecular Formula:
Molecular Weight: 636.469
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)-5-[6-(3-chloro-benzoylamino)-purin-9-yl]-3-hydroxy-tetrahydro-furan-2-ylmethyl ester(CAS DataBase Reference)
NIST Chemistry Reference: Carbonic acid 2-(4-chloro-benzenesulfonyl)-ethyl ester (2R,3S,5R)-5-[6-(3-chloro-benzoylamino)-purin-9-yl]-3-hydroxy-tetrahydro-furan-2-ylmethyl ester(81668-77-1)
EPA Substance Registry System: Carbonic acid 2-(4-chloro-benzenesulfonyl)-ethyl ester (2R,3S,5R)-5-[6-(3-chloro-benzoylamino)-purin-9-yl]-3-hydroxy-tetrahydro-furan-2-ylmethyl ester(81668-77-1)

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: 81668-77-1(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 81668-77-1 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 7 respectively.
Calculate Digit Verification of CAS Registry Number 81668-77:
(7*8)+(6*1)+(5*6)+(4*6)+(3*8)+(2*7)+(1*7)=161
161 % 10 = 1
So 81668-77-1 is a valid CAS Registry Number.

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81668-77-1Relevant 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 (2007/10/02)

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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