The chemical "Trt-Leu-Val-Cys-Gly-Glu(OtBu)-OtBu" is a complex peptide sequence consisting of several amino acids and protective groups. It starts with the Trt (Trifluoroacetyl) group, followed by Leucine (Leu), Valine (Val), and Cysteine (Cys). The Cys is part of a cyclic structure with another Cys residue, which is linked to a Boc-protected Tyrosine (Boc-Tyr) and an Asparagine (Asn), with a tert-butyl (OtBu) group attached. This is followed by Glycine (Gly), Glutamic acid with a tert-butyl ester (Glu(OtBu)), and ends with another tert-butyl group. The entire sequence is designed to protect certain functional groups during synthesis, with the Boc and OtBu groups serving as temporary protective moieties that can be removed at specific stages of the peptide synthesis process. This complex structure is indicative of a peptide that may be used in advanced biological or pharmaceutical applications, where precise control over the peptide's reactivity and stability is required.

42557-50-6

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Basic information
1. Product Name: Trt-Leu-Val-Cys-Gly-Glu(OtBu)-OtBu
2. Synonyms:
3. CAS NO:42557-50-6
4. Molecular Formula:
5. Molecular Weight: 1426.8
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: Trt-Leu-Val-Cys-Gly-Glu(OtBu)-OtBu(CAS DataBase Reference)
10. NIST Chemistry Reference: Trt-Leu-Val-Cys-Gly-Glu(OtBu)-OtBu(42557-50-6)
11. EPA Substance Registry System: Trt-Leu-Val-Cys-Gly-Glu(OtBu)-OtBu(42557-50-6)
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: 42557-50-6(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 42557-50-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,5,5 and 7 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 42557-50:
(7*4)+(6*2)+(5*5)+(4*5)+(3*7)+(2*5)+(1*0)=116
116 % 10 = 6
So 42557-50-6 is a valid CAS Registry Number.

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