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T6541

Tris 乙磺酸

Name: Tris 乙磺酸
Brand: SIGMA

BioXtra, ≥99.5% (titration)

别名:

2-[[三(羟甲基)甲基]氨基]乙磺酸, N-三(羟甲基)甲基-2-氨基乙烷磺酸, TES 游离酸

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关于此项目

经验公式（希尔记法）:

C₆H₁₅NO₆S

化学文摘社编号:

7365-44-8

分子量:

229.25

UNSPSC Code:

12161700

NACRES:

NA.25

PubChem Substance ID:

24900386

EC Number:

230-906-3

Beilstein/REAXYS Number:

1957061

MDL number:

MFCD00007532

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属性

product line

BioXtra

assay

≥99.5% (titration)

form

powder

impurities

Insoluble matter, passes filter test

ign. residue (900°C)

≤0.1% (as SO₄)

loss

≤1% loss on drying, 110°C

pH

3.5-5.0 (20 °C, 1 M in H₂O)

useful pH range

6.8-8.2

pKa (25 °C)

7.5

mp

~225 °C (dec.)

solubility

H₂O: 1 M at 20 °C, clear, colorless

anion traces

chloride (Cl^-): ≤0.005%, sulfate (SO₄^2-): ≤0.005%

cation traces

Al: ≤0.0005%, As: ≤0.0001%, Ba: ≤0.0005%, Bi: ≤0.0005%, Ca: ≤0.001%, Cd: ≤0.0005%, Co: ≤0.0005%, Cr: ≤0.0005%, Cu: ≤0.0005%, Fe: ≤0.0005%, K: ≤0.02%, Li: ≤0.0005%, Mg: ≤0.0005%, Mn: ≤0.0005%, Mo: ≤0.0005%, Na: ≤0.01%, Ni: ≤0.0005%, Pb: ≤0.0005%, Sr: ≤0.0005%, Zn: ≤0.0005%

absorption

≤0.045 at 280 in H₂O at 1 M, ≤0.055 at 260 in H₂O at 1 M

SMILES string

OCC(CO)(CO)NCCS(O)(=O)=O

InChI

1S/C6H15NO6S/c8-3-6(4-9,5-10)7-1-2-14(11,12)13/h7-10H,1-5H2,(H,11,12,13)

InChI key

JOCBASBOOFNAJA-UHFFFAOYSA-N

说明

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存储类别

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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Preincubation of human spermatozoa in test-yolk medium: effect on penetration of zona-free hamster oocytes and correlation with other semen characteristics.

W J Holmgren et al.

Journal of in vitro fertilization and embryo transfer : IVF, 6(4), 207-212 (1989-08-01)

Penetration of zona-free hamster oocytes by human spermatozoa after preincubation with BWW medium (standard technique) or a buffer system containing egg yolk (TESTY) was compared by applying both treatments to aliquots of 60 ejaculates from 34 patients. The TESTY-treated spermatozoa

Facile cleavage of triethylsilyl (TES) ethers using o-iodoxybenzoic acid (IBX) without affecting tert-butyldimethylsilyl (TBS) ethers.

Yikang Wu et al.

Organic letters, 4(13), 2141-2144 (2002-06-21)

[reaction: see text] In DMSO cleavage of triethylsilyl (TES) ethers by o-iodoxybenzoic acid (IBX) was significantly faster than cleavage of tert-butyldimethylsilyl (TBS) ethers or further oxidation into carbonyl compounds. In most cases, TES protecting groups could be removed in good

A comparison of the frequency and type of chromosomal abnormalities in human sperm after different sperm capacitation conditions.

R H Martin et al.

Biology of reproduction, 47(2), 268-270 (1992-08-01)

Human sperm karyotypes can be prepared after fusion of human sperm with Golden hamster oocytes. Most laboratories use one of two methods of sperm capacitation: incubation of freshly-ejaculated sperm in Biggers, Whitten, and Whittingham (BWW) medium for 5-7 h at

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全球贸易项目编号

货号	GTIN
T6541-25G	04061833613979
T6541-100G	04061833613962