Lewis-b tetrasaccharide

SIGMA/L7659

Synonym: α-Fuc(1→2)-β-Gal-(1→3)-(α-Fuc-[1→4])-GlcNAc; Le^b glycan

Empirical Formula (Hill Notation): C₂₆H₄₅NO₁₉
Molecular Weight: 675.63
MDL Number: MFCD01632618
Linear Formula: C₂₆H₄₅NO₁₉
Product Type: Chemical

Catalog Number	PKG Qty.	Price	Quantity


45-L7659-1MG	1 mg	$426.00 1/EA		Add To Favorites

Properties
Descriptions
Safety Info.
Basic Data

InChI	1S/C26H45NO19/c1-6-12(31)15(34)18(37)24(40-6)44-20-10(5-29)42-23(39)11(27-8(3)30)21(20)45-26-22(17(36)14(33)9(4-28)43-26)46-25-19(38)16(35)13(32)7(2)41-25/h6-7,9-26,28-29,31-39H,4-5H2,1-3H3,(H,27,30)/t6-,7-,9+,10+,11+,12+,13+,14-,15+,16+,17-,18-,19-,20+,21+,22+,23?,24-,25-,26-/m0/s1
InChI key	OXNGKCPRVRBHPO-VIXGDSECSA-N
Quality Level	200
SMILES string	C[C@@H]1O[C@@H](O[C@@H]2[C@@H](O)[C@@H](O)[C@@H](CO)O[C@H]2O[C@@H]3[C@@H](NC(C)=O)C(O)O[C@H](CO)[C@H]3O[C@@H]4O[C@@H](C)[C@@H](O)[C@@H](O)[C@@H]4O)[C@@H](O)[C@H](O)[C@@H]1O
storage temp.	−20°C

Application:	Lewis-b tetrasaccharide has been used to treat the P protein for complex crystal growth.
Biochem/physiol Actions:	The Lewis b (Leb) antigen reappearance is an excellent tumor marker for discriminating between malignant and benign tumors, and it can also be used in many cases of colon cancer.
General description:	The Lewis b (Leb) antigens are widely expressed in the proximal colon. During fetal development, Leb antigens are found throughout the colon, but after birth, they gradually diminish in the distal colon.
Other Notes:	Lewis-b human blood group determinant.
Packaging:	1 mg in glass bottle

RIDADR	NONH for all modes of transport
WGK Germany	WGK 3
Flash Point(F)	Not applicable
Flash Point(C)	Not applicable

Storage Temp.	−20°C
UNSPSC	12352200

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