Phthaloyl-Cys-Gly-OBut is a complex organic compound with the chemical structure consisting of a phthaloyl group, a cysteine residue with a diphenylmethyl group (C6H5)2, a glycine residue, and a butyl ester group. Phthaloyl-Cys-Gly-OBut is a derivative of a peptide, where the phthaloyl group acts as a protecting group for the cysteine residue, preventing unwanted side reactions. The diphenylmethyl group attached to the cysteine provides steric hindrance and can influence the compound's reactivity and stability. The glycine residue is a simple amino acid, and the butyl ester group is a protecting group for the carboxylic acid functionality, which can be removed under specific conditions to regenerate the free acid. Phthaloyl-Cys-Gly-OBut is often used in peptide synthesis and as a building block for more complex molecules, taking advantage of its unique structural features and reactivity.

7521-90-6

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Basic information
1. Product Name: Phthaloyl-Cys-Gly-OBut
2. Synonyms:
3. CAS NO:7521-90-6
4. Molecular Formula:
5. Molecular Weight: 530.645
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: Phthaloyl-Cys-Gly-OBut(CAS DataBase Reference)
10. NIST Chemistry Reference: Phthaloyl-Cys-Gly-OBut(7521-90-6)
11. EPA Substance Registry System: Phthaloyl-Cys-Gly-OBut(7521-90-6)
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: 7521-90-6(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 7521-90-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,5,2 and 1 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 7521-90:
(6*7)+(5*5)+(4*2)+(3*1)+(2*9)+(1*0)=96
96 % 10 = 6
So 7521-90-6 is a valid CAS Registry Number.

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