(Boc-Cys-OH)2

SKU: B0224

Category: Amino Acids, Peptides, Proteins

Synonyms: Nα, Nα'-di-Boc-L-cystine , N,N'-Di(tert-butoxycarbonyl)-L-cystine , NSC 164046; 10389-65-8
CAS-Number: C₁₆H₂₈N₂O₈S₂
Molecular Formula: 440.53
Molecular Weight

Product Data
Handling
Safety Information
Details

Specifications

Purity: ≥98% (CE)
Identity: 1H-NMR
Appearance: White powder

Properties

Optical Activity: [α]20/D -120±3°, c = 2% in acetic acid
Melting Point: 140 - 145 °C
Solvents: acetone, ethanol, DMSO

Shipping: AMBIENT
Use / Stability: Stable for at least 2 years after receipt when stored at -20°C.
Handling Advice: Protect from light and moisture.
Long Term Storage: -20°C
Short Term Storage: +4°C

Transportation: Not dangerous goods

Description: Amino acid protected by tert-butoxycarbonyl (Boc) group. Used as a reactant in peptide synthesis. Used to obtain asymmetric cystine peptides by enzymatic catalysis with immobilized papain. Used as educt for obtaining S-isoacyl dipeptide building blocks.
InChi: InChI=1S/C16H28N2O8S2/c1-15(2,3)25-13(23)17-9(11(19)20)7-27-28-8-10(12(21)22)18-14(24)26-16(4,5)6/h9-10H,7-8H2,1-6H3,(H,17,23)(H,18,24)(H,19,20)(H,21,22)/t9-,10-/m0/s1
References: (1) O. Keller, et al., Org. Synth. 63, 160 (1985) , (2) D.-F. Tai, et al., Biotechnol. Lett. 15, 961 (1993) , (3) D.-F. Tai, et al., Bioorg. Med. Chem. Lett. 5, 1475 (1995) , (4) T. Yoshiya, et al., J. Pept. Sci. 14, 1203 (2008)
InChi Key: MHDQAZHYHAOTKR-UWVGGRQHSA-N
Smiles: CC(C)(C)OC(N[C@H](C(O)=O)CSSC[C@@H](C(O)=O)NC(OC(C)(C)C)=O)=O

Amino acid protected by tert-butoxycarbonyl (Boc) group. Used as a reactant in peptide synthesis. Used to obtain asymmetric cystine peptides by enzymatic catalysis with immobilized papain. Used as educt for obtaining S-isoacyl dipeptide building blocks.

SKU: B0224 Category: Amino Acids, Peptides, Proteins

Additional information

Additional information

Synonyms	Nα, Nα'-di-Boc-L-cystine, N,N'-Di(tert-butoxycarbonyl)-L-cystine, NSC 164046
Purity	≥98% (CE)
Appearance	White powder
CAS-Number	10389-65-8
Molecular Formula	C16H28N2O8S2
Molecular Weight	440.53
Identity	1H-NMR
Solvents	acetone, ethanol, DMSO
Melting Point	140 – 145 °C
Optical Activity	[α]20/D -120±3°, c = 2% in acetic acid
Smiles	CC(C)(C)OC(N[C@H](C(O)=O)CSSC[C@@H](C(O)=O)NC(OC(C)(C)C)=O)=O
InChi Key	MHDQAZHYHAOTKR-UWVGGRQHSA-N
Shipping	AMBIENT
Short Term Storage	+4°C
Long Term Storage	-20°C
Handling Advice	Protect from light and moisture.
Use / Stability	Stable for at least 2 years after receipt when stored at -20°C.
Transportation	Not dangerous goods
References	(1) O. Keller, et al., Org. Synth. 63, 160 (1985), (2) D.-F. Tai, et al., Biotechnol. Lett. 15, 961 (1993), (3) D.-F. Tai, et al., Bioorg. Med. Chem. Lett. 5, 1475 (1995), (4) T. Yoshiya, et al., J. Pept. Sci. 14, 1203 (2008)
InChi	InChI=1S/C16H28N2O8S2/c1-15(2,3)25-13(23)17-9(11(19)20)7-27-28-8-10(12(21)22)18-14(24)26-16(4,5)6/h9-10H,7-8H2,1-6H3,(H,17,23)(H,18,24)(H,19,20)(H,21,22)/t9-,10-/m0/s1
Quantity	5 g, 25 g, Bulk