Z-Tyr(OBzl)-ONB, also known as N-benzyloxycarbonyl-L-tyrosine p-nitrobenzyl ester, is a synthetic derivative of the amino acid L-tyrosine. In Z-Tyr(OBzl)-ONB, the L-tyrosine is modified with a benzyloxycarbonyl (Z) protecting group, which is commonly used in peptide synthesis to prevent unwanted side reactions. Additionally, the carboxylic acid group of the tyrosine is esterified with a p-nitrobenzyl (ONB) group, which serves as a reporter group for monitoring the progress of enzymatic reactions. This chemical is often used in biochemical research to study enzyme kinetics and to synthesize peptides with specific properties.

90427-46-6

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Basic information
1. Product Name: Z-Tyr(OBzl)-ONB
2. Synonyms: Z-Tyr(OBzl)-ONB
3. CAS NO:90427-46-6
4. Molecular Formula:
5. Molecular Weight: 566.61
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: Z-Tyr(OBzl)-ONB(CAS DataBase Reference)
10. NIST Chemistry Reference: Z-Tyr(OBzl)-ONB(90427-46-6)
11. EPA Substance Registry System: Z-Tyr(OBzl)-ONB(90427-46-6)
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: 90427-46-6(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 90427-46-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,4,2 and 7 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 90427-46:
(7*9)+(6*0)+(5*4)+(4*2)+(3*7)+(2*4)+(1*6)=126
126 % 10 = 6
So 90427-46-6 is a valid CAS Registry Number.

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