少妇被猛男粗大的猛进出,亚洲 欧美 动漫 少妇 自拍,日韩免费视频,青春草在线视频免费观看
訂購電話:
4001650900
首頁
化學(xué)試劑
生化試劑
標(biāo) 準(zhǔn) 品
實驗儀器
實驗耗材
新聞資訊
訂購流程
售后服務(wù)
聯(lián)系我們
Aspartame
Cas:
22839-47-0
Molecular Structure:
MDL:
--MFCD00002724
Molecular Formula:
C14H18N2O5;HOOCCH2CH(NH2)CONHCH(CH2C6H5)COOCH3
Molecular Weight:
294.30
Alias:
蛋白糖,甜樂,甜味素,N-L-α-天冬氨酰-L-苯丙氨酸甲酯,天冬氨酰苯丙氨酸甲酯 Asp-Phe-OMe H-Asp-Phe-OMe
Product order:
Name
Specifications
Packing
Price
Delivery
Aspartame
98%
25g
RMB 327.8
Consulting service
Aspartame
98%
5g
RMB 107.8
Consulting service
Aspartame
98%
1g
RMB 52.8
Consulting service
Character:
白色結(jié)晶性粉末。雙熔點約190℃和245℃。微溶于水(約 1%)和乙醇(0.26mg/100ml)。無臭、有強烈甜味,其稀溶液的甜度約為蔗糖的100-200倍。其甜味與砂糖十分相似,并有清涼感。0.8% 水溶液的pH值為4-6.5。在水溶液中不穩(wěn)定,易分解而失去甜味,低溫時和pH值3-5時較穩(wěn)定。
熔點:248-250 °C
比光旋度:12.5°
Quality Standard:
項目 生物學(xué)級
(BR)
外觀Appearance : 白色晶體或結(jié)晶粉末
含量(以干基計on dried substance)): 98-102%
比旋光Specific optical rotation[a]20D: +14.5~+16.5
透光率: ≥95%
干燥失重Loss on drying (105℃ 4hr): ≤4.5%
硫酸鹽灰分Sulfated ash: ≤0.2%
PH: 4.5-6.0
砷(以As計): ≤3ppm
重金屬Heavy metals (以Pb計): ≤10ppm
灼燒殘渣: ≤0.2%
其他相關(guān)物: ≤2.0%
5-芐基-3.6-二氧-2-哌嗪乙酸: ≤1.5%
5-benzyl-3,6-dioxo-2-piperazineacetic acid
Storage:
貯存 2-8℃
Related Products
Inulin from dahlia tubers
Maltotriose hydrate
Lactosum , anhydrous
Glucose-13C
β-D-Ribofuranose 1-acetate 2,3,5-tribenzoate
β-D-(+)-Glucose pentaacetate
D-Fructose
Zymosan A
D-(+)-Trehalose Anhydrous
2,3,5-Tri-O-benzyl-β-D-arabinofuranose
MALTOPENTAOSE
Biowest agarose
L-Rhamnose monohydrate
ARABINOGALACTAN
1,2:5,6-Di-O-isopropylidene-α-D-glucofuranose
2,3,4,6-Tetra-O-benzyl-D-galactose
D-(+)-Melibiose
L-(?)-Arabitol
L(+)-Arabinose
α-D(+)-Glucose pentaacetate
α-Lactose
Sucrose
Chitosan
Diacetone-D-galactose
D-(+)-Trehalose dihydrate
D-Glucal
Pullulan
β-Chloralose
β-Lactose
D(+)-Turanose
D-(+)-Glucose
L-(?)-Sorbose
D-(+)-Malic acid
5-Thio-D-glucose
3-O-Methyl-D-glucopyranose
N-Acetyl-D-glucosamine
ISOMALTOSE
D-(+)-Glucose monohydrate
1,6-Anhydro-β-D-glucose
Agarose
ISOMALTOSE
Aspartame
beta-D-Galactose Pentaacetate
1,2,3,5-Tetra-O-acetyl-β-D-ribofuranose
Monoacetone glucose
CHITOSAN OLIGOSACCHARIDE
Dextran
Lactulose
D-(+)-Xylose
α-D-Glucopyranose pentabenzoate
D(-)-lyxose
D(-)Arabinose
1,2:3,5-Di-O-isopropylidene-alpha-D-xylofuranose
D-(+)-Cellobiose
Xylan from birch wood
Sucralose
L-(-)-Fucose
D-(+)-Melezitose monohydrate
Acetobromo-α-D-glucose
2-Deoxy-D-galactose
D-Gluconic acid solution
2-Deoxy-L-ribose
D(+)-Fucose
2-Deoxy-D-glucose
CARBOXYLATION CHITOSAN
General reagents
Phenol
Alcohol
Ester
Acid
Ketone
Amine
Ether
Alkyl
Ene
Aldehyde
Oil
Benzene
Titanium
Barium
Acyl
Bismuth
Acridine
Fat
Furan
Plain
Sugar
Sodium
Potassium
Calcium
Mn
Magnesium
Copper
Aluminum
Iron
Zinc
Ammonium
Tin
Glue
Chlorine
Powder
Water
Phosphorus
Salt
Iodine
Alkali
Silicon
Alkyne
Phosphine
Sulfur
Br
Purine
Fine
Ning
Se
Pyrrole
Thiophene
Indole
Ring
Acenaphthene
Ant
Ga
Fluorene
Carbon
Pyrene
Glycoside
Benzyl
Cetirizine
Oxime
Sb
CD
Cr
Mo
Sr
Nitrile
Li
Card fee
Lead
Loose
Amidine
Dy
Tl
Be
Sc
Forest
Arsenic
Hafnium
Ta
Sieve
Ge
Test paper
Soil
Stone
W
Nb
V
Mercury
Ni
Co
Lin
warm
Wax
Sulfone
Anhydride
Triazole
Guanidine
Hydrazine
Urea
Naphthalene
Quinone
Palladium
Ruthenium
Other
Indicator / chromogenic agent / dye
Red
Orange
Blue
Purple
Yellow
Phenolphthalein
Sultan
Black
Phenol
Ketone
Amine
Acid
Sodium
Aldehyde
Arsine
Green
Agent
Green
Ming
Phosphine
Su
Salt
Other
Rare earth, rare expensive reagents
Palladium
Cerium
Silver
Zirconium
Kim
Boron
Ru
Er
Platinum
Rhodium
Iridium
Cs
Indium
La
Yttrium
Rb
Pr
Nd
Re
Sm
Yb
Thulium, gadolinium, terbium, tellurium, lutetium, holmium
Commonly used biochemical reagents
Nucleic acid
Carbohydrate
Antibiotics
Biological buffer
Chelating agent / denaturing agent
Enzyme and coenzyme
Color rendering reagent
Quaternary ammonium salt
L-alkamine
CBZ alkamine
BOC-alkamine
Fmoc-alkamine
Amino acid compound salt
D-alkamine
DL-alkamine
Non natural amino acids
N- methylation amino acids
alkamine
Polypeptide
N- acetylation amino acids
Protein
Separation reagent
Nucleic acids and their derivatives
Vitamin
Medium
Other biochemical reagents
Cell culture related products
Serum
Medium
Equilibrium salt solution
Apoptosis
Cell line
Helper reagent
Cytokine
Immune reagent
Immunohistochemical assistant reagent
Immunohistochemistry
Immune diagnosis serum
ELISA kit
People ELISA
Rat ELISA
Mouse ELISA
Rabbit ELISA
Guinea pig ELISA
Sheep ELISA
Pig ELISA
Dog ELISA
Monkey ELISA
Chicken ELISA
Cattle ELISA
Antibody products
A resistance
Two anti
Stem cell associated antibodies
Tag antibody
Internal antibody
Food safety detection antibody
Protein network stations
Protein extraction
Purification
Quantitative protein
Protein electrophoresis
Western blot
Molecular biology reagents and kits
PCR/RT-PCR
Nucleic acid separation and purification
Cell and detection
Gene cloning and expression
Nucleic acid electrophoresis
Cloning and expression
Plant Extract
Tea extract
Salvia miltiorrhiza extract
Ginkgo extract
Natural active monomer composition
Standardized plant extracts
Scaled plant extracts
Extraction of Chinese Medicine
Other extraction
Polysaccharide series extract
Inorganic standard solution (inorganic standard)
Chroma standard solution
上海紫一試劑廠 ? 2025 All Rights Reserved 備案號:
滬ICP備19037119號-1
網(wǎng)站地圖:
試劑CAS
試劑分類
試劑產(chǎn)品
實驗儀器耗材分類
實驗儀器耗材
新聞資訊
滬公網(wǎng)安備 31012002003055號