(1⁽²⁾H-tetrazol-5-yl)-phosphorimidic acid triphenyl ester is a complex organic compound with the molecular formula C₂₆H₂₂N₅O₃P. It is a derivative of tetrazol-5-yl and phosphorimidic acid, featuring a tetrazol-5-yl group attached to a phosphorimidic acid core, which is further esterified with three phenyl groups. (1⁽²⁾H-tetrazol-5-yl)-phosphorimidic acid triphenyl ester is known for its reactivity in organic synthesis, particularly in the formation of phosphorus-containing compounds and as a reagent in the synthesis of various biologically active molecules. It is often used in the preparation of phosphoramidites, which are key intermediates in the synthesis of oligonucleotides and other nucleic acid analogs. The compound's structure and properties make it a valuable tool in the fields of medicinal chemistry and materials science.

17166-15-3

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Basic information
1. Product Name: (1⁽²⁾H-tetrazol-5-yl)-phosphorimidic acid triphenyl ester
2. Synonyms:
3. CAS NO:17166-15-3
4. Molecular Formula:
5. Molecular Weight: 393.341
6. EINECS: N/A
7. Product Categories: N/A
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: N/A
3. Flash Point: N/A
4. Appearance: N/A
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: (1⁽²⁾H-tetrazol-5-yl)-phosphorimidic acid triphenyl ester(CAS DataBase Reference)
10. NIST Chemistry Reference: (1⁽²⁾H-tetrazol-5-yl)-phosphorimidic acid triphenyl ester(17166-15-3)
11. EPA Substance Registry System: (1⁽²⁾H-tetrazol-5-yl)-phosphorimidic acid triphenyl ester(17166-15-3)
Safety Data
1. Hazard Codes: N/A
2. Statements: N/A
3. Safety Statements: N/A
4. WGK Germany:
5. RTECS:
6. HazardClass: N/A
7. PackingGroup: N/A
8. Hazardous Substances Data: 17166-15-3(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 17166-15-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,1,6 and 6 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 17166-15:
(7*1)+(6*7)+(5*1)+(4*6)+(3*6)+(2*1)+(1*5)=103
103 % 10 = 3
So 17166-15-3 is a valid CAS Registry Number.

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