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Phosphorous acid

US $1400-1500 / Ton ( FOB Price)
5 Tons (Min. Order)
Place of Origin: CN;SHN
Classification: Phosphorous Acid
CAS No.: 13598-36-2
Grade Standard: Agriculture Grade
EINECS No.: 237-066-7
Brand Name: blue sky
China (Mainland) Contact Details
>72h Average Response Time
21.1% Response Rate

Sell Fluosilicate acid 40 h2sif6

US $400-600 / Metric Ton ( FOB Price)
1 Metric Ton (Min. Order)
Place of Origin: CN;ZHE
CAS No.: 16961-83-4
Grade Standard: Industrial Grade
Brand Name: Qucheng
Purity: 40%
Application: used as row materials for sodium fluosilicatepotassium fluosilicateamm
China (Mainland) Contact Details
>72h Average Response Time

Colorless Nitric acid 68%

US $275-360 / Ton ( FOB Price)
1 Ton (Min. Order)
Place of Origin: CN;HEB
Classification: Nitric Acid
CAS No.: 7697-37-2
Grade Standard: Agriculture Grade;Electron Grade;Food Grade;Industrial Grade;Medicine Grade
EINECS No.: 231-714-2
Brand Name: BSBH
China (Mainland) Contact Details
>72h Average Response Time
70.0% Response Rate

(s)-2-amino-3-(1h-indol-3-yl)propanoic acid

10 Kilograms (Min. Order)
Place of Origin: CN
CAS No.: 73-22-3
EINECS No.: 200-795-6
Type: Syntheses Material Intermediates
Brand Name: SIMAGCHEM
Purity: 98%
Verified Supplier - Simagchem Corp.
China (Mainland) Contact Details
1 Transaction for US $8,000+
>72h Average Response Time

Hydrofluoric acid 30%, HF Acid 30%, 235kg/drum CAS No.7664-39-3

US $620-650 / Metric Ton ( FOB Price)
1 Metric Ton (Min. Order)
Place of Origin: CN
Classification: Hydrochloric Acid
CAS No.: 7664-39-3
Grade Standard: Electron Grade;Industrial Grade
EINECS No.: 231-634-8
Brand Name: QSHI
China (Mainland) Contact Details
<24h Average Response Time
86.7% Response Rate

High Quality 2-Amino-3-(1H-indol-3-yl)propanoic acid 73-22-3

US $1-100 / Kilogram ( FOB Price)
1 Kilogram (Min. Order)
MF: none
Other Names: none
Purity: 99.9%,> 98%
Type: Cardiovascular Agents,Vitamins, Amino Acids and Coenzymes
Grade Standard: Food Grade
advantage: lower price with best quality
China (Mainland) Contact Details
>72h Average Response Time

Boom supply Organic 2-Amino-3-(1H-indol-3-yl)propanoic acid

US $22-25 / Kilogram ( FOB Price)
200 Kilograms (Min. Order)
Function: Promote Healthy & Growth &nutritional
Dosage Form: Powder
Type: Vitamins
Place of Origin: CN
Brand Name: Boom2-Amino-3-(1H-indol-3-yl)propanoic acid
Model Number: amino aicd
Verified Supplier - Henan Boom Gelatin Co., Ltd.
China (Mainland) Contact Details
>72h Average Response Time
71.1% Response Rate

amino acids // Arginine//Tryptophan//Tyrosine//Threonine//Lysine//Leucine//Isoleucine//Methionine//Serine//Glutamine//Glutamic

US $1-10 / Gram ( FOB Price)
10 Grams (Min. Order)
MF: C11H12N2O2
Other Names: (s)-2-amino-3-(1h-indol-3-yl)propanoic acid;(S)-(-)-2-AMINO-3-(3-INDOL
Purity: 98
Type: Vitamins, Amino Acids and Coenzymes
Appearance: powder
Place of Origin: CN;HUB
Verified Supplier - Wuhan Hengheda Pharm Co., Ltd.
China (Mainland) Contact Details
>72h Average Response Time
53.1% Response Rate

hot sale intermediates 52448-15-4 (S)-2-Amino-3-(5-chloro-1H-indol-3-yl)propanoic acid

US $1-1000 / Gram ( FOB Price)
1 Gram (Min. Order)
MF: C11H11ClN2O2
Other Names: 52448-15-4 (S)-2-Amino-3-(5-chloro-1H-indol-3-yl)propanoic acid
Appearance: Off-white Crystal
Application: Pharmaceutical Intermediates
Purity: >97%
Type: Agrochemical Intermediates,Dyestuff Intermediates,Flavor & Fragrance Intermediates,Pharmaceutical Intermediates,Syntheses Material Intermediates
Verified Supplier - Yantai Octagon Chemicals Limited
China (Mainland) Contact Details
<24h Average Response Time
92.1% Response Rate

Medicine grade L-Tryptophan amino acid 73-22-3

1 Kilogram (Min. Order)
MF: C11H12N2O2
Other Names: L-Tryptophan (s)-2-amino-3-(1h-indol-3-yl) propanoic acid
Purity: ≥98.5%
Type: Essential amino acid
Grade Standard: Feed Grade,Medicine Grade
Usage: Essential amino acid
Verified Supplier - Hangzhou Reb Technology Co., Ltd.
China (Mainland) Contact Details
48h-72h Average Response Time
72.6% Response Rate

High quality 2-Amino-3-(5-hydroxy-1H-indol-3-yl)propanoic acid 56-69-9

US $1-100 / Kilogram ( FOB Price)
1 Kilogram (Min. Order)
Variety: Vincamine
Type: Herbal Extract
Grade: AAAA,Food grade
Part: all
Packaging: Can,Drum,Carton,as per customers requests
Form: Powder
China (Mainland) Contact Details
>72h Average Response Time

L-Tryptophan,Feed Additive,Amino Acid

1 Kilogram (Min. Order)
MF: C11H12N2O2
Other Names: L-Tryptophan (s)-2-amino-3-(1h-indol-3-yl) propanoic acid
Purity: ≥98.5%
Type: Essential amino acid
Grade Standard: Feed Grade,Medicine Grade
Usage: Essential amino acid
Verified Supplier - Hangzhou Reb Technology Co., Ltd.
China (Mainland) Contact Details
48h-72h Average Response Time
72.6% Response Rate

Medicine Grade Amino Acid L-Tryptophan In Bulk

US $1-50 / Kilogram ( FOB Price)
1 Kilogram (Min. Order)
MF: C11H12N2O2
Other Names: 2-Amino-3-(1H-indol-3-yl)propanoic acid
Purity: 99%
Type: Vitamins, Amino Acids and Coenzymes,Auxiliaries and Other Medicinal Chemicals
Grade Standard: Feed Grade,Food Grade,Medicine Grade
Appearance: White crystals or crystalline powder
Verified Supplier - Cn Lab Canada, Asian Group
China (Mainland) Contact Details
<24h Average Response Time
85.9% Response Rate

Amino acid L-Tryptophan feed grade 98% 73-22-3

50 Kilograms (Min. Order)
Other Names: Derivatives;(s)-2-amino-3-(1h-indol-3-yl)propanoic acid
Type: Feed Grade Amino Acids
Efficacy: Feed Preservatives,Promote Healthy & Growth,Promote Nutrition
Place of Origin: CN;ANH
CAS No.: 73-22-3
EINECS No.: 200-795-6
Verified Supplier - Yixing Jolan Chemicals Co., Ltd.
China (Mainland) Contact Details
>72h Average Response Time
26.3% Response Rate

cas no.:73-22-3 Amino Acid Derivatives L-Tryptophan

25 Kilograms (Min. Order)
MF: C11H12N2O2
Other Names: (s)-2-amino-3-(1h-indol-3-yl)propanoic acid
Purity: 99%
Type: Amino Acids
Grade Standard: Food Grade,Medicine Grade
appearance: white or low brown powder
China (Mainland) Contact Details
>72h Average Response Time
57.6% Response Rate

amino acid powder L-Tryptophan Cas 73-22-3

US $10-100 / Gram ( FOB Price)
100 Grams (Min. Order)
MF: C11H12N2O2
Purity: 99%HPLC
Application: intermediate,fine chemical
Appearance: white to light yellow powder
Other Names: (s)-2-amino-3-(1h-indol-3-yl)propanoic acid;(S)-(-)-2-AMINO-3-(3-INDOL
Grade Standard: Industrial Grade,Medicine Grade
Verified Supplier - Wuhan Hengheda Pharm Co., Ltd.
China (Mainland) Contact Details
>72h Average Response Time
53.1% Response Rate

Manufacture supply best quality feed grade amino acid l-tryptophan

US $22-25 / Kilogram ( FOB Price)
200 Kilograms (Min. Order)
Function: Promote Healthy & Growth &nutritional
Dosage Form: Powder
Type: Vitamins
Place of Origin: CN
Brand Name: Boom feed grade amino acid l-tryptophan
Model Number: amino aicd
Verified Supplier - Henan Boom Gelatin Co., Ltd.
China (Mainland) Contact Details
>72h Average Response Time
71.1% Response Rate

3-{[(1-Acetyl-2,3-dihydro-1H-indol-5-yl)sulfonyl]-amino}propanoic acid

Purity: 0.98
catalog no: 2051307
MW: 312.35
Formula: C13H16N2O5S
Verified Supplier - PURE CHEMISTRY SCIENTIFIC INC.
United States Contact Details
>72h Average Response Time

2-[(4-fluorobenzoyl)amino]-3-(1H-indol-3-yl)propanoic acid

CAS: 39545-02-3Catalog
NO: sc-274093
Formula: C18H15FN2O3
MW: 326.321
Tags: 39545-02-3
Verified Supplier - SANTA CRUZ BIOTECHNOLOGY, INC.
United States Contact Details
>72h Average Response Time

Feed Grade Amino Acid L-Tryptophan In Bulk

US $1-50 / Kilogram ( FOB Price)
1 Kilogram (Min. Order)
MF: C11H12N2O2
Other Names: 2-Amino-3-(1H-indol-3-yl)propanoic acid
Purity: 99%
Type: Vitamins, Amino Acids and Coenzymes,Auxiliaries and Other Medicinal Chemicals
Grade Standard: Feed Grade,Food Grade,Medicine Grade
Appearance: White crystals or crystalline powder
Verified Supplier - Cn Lab Canada, Asian Group
China (Mainland) Contact Details
<24h Average Response Time
85.9% Response Rate

Amino Acid Derivatives L-Tryptophan

1 Kilogram (Min. Order)
MF: C11H12N2O2
Other Names: L-Tryptophan (s)-2-amino-3-(1h-indol-3-yl) propanoic acid
Purity: ≥98.5%
Type: Essential amino acid
Grade Standard: Feed Grade,Medicine Grade
Usage: Essential amino acid
Verified Supplier - Hangzhou Reb Technology Co., Ltd.
China (Mainland) Contact Details
48h-72h Average Response Time
72.6% Response Rate

3-Phenyl-2-{[(1-propionyl-2,3-dihydro-1H-indol-5-yl)sulfonyl]amino}propanoic acid

Purity: 0.98
catalog no: 2051310
MW: 402.47
Formula: C20H22N2O5S
Verified Supplier - PURE CHEMISTRY SCIENTIFIC INC.
United States Contact Details
>72h Average Response Time

Food Grade Amino Acid L-Tryptophan In Bulk

US $1-50 / Kilogram ( FOB Price)
1 Kilogram (Min. Order)
MF: C11H12N2O2
Other Names: 2-Amino-3-(1H-indol-3-yl)propanoic acid
Purity: 99%
Type: Vitamins, Amino Acids and Coenzymes,Auxiliaries and Other Medicinal Chemicals
Grade Standard: Feed Grade,Food Grade,Medicine Grade
Appearance: White crystals or crystalline powder
Verified Supplier - Cn Lab Canada, Asian Group
China (Mainland) Contact Details
<24h Average Response Time
85.9% Response Rate

Amino Acid L-Tryptophan CAS73-22-3

1 Kilogram (Min. Order)
MF: C11H12N2O2
Other Names: L-Tryptophan (s)-2-amino-3-(1h-indol-3-yl) propanoic acid
Purity: ≥98.5%
Type: Essential amino acid
Grade Standard: Feed Grade,Medicine Grade
Usage: Essential amino acid
Verified Supplier - Hangzhou Reb Technology Co., Ltd.
China (Mainland) Contact Details
48h-72h Average Response Time
72.6% Response Rate

3-{[(1-Propionyl-2,3-dihydro-1H-indol-5-yl)-sulfonyl]amino}propanoic acid

Purity: 0.98
catalog no: 2051305
MW: 326.37
Formula: C14H18N2O5S
Verified Supplier - PURE CHEMISTRY SCIENTIFIC INC.
United States Contact Details
>72h Average Response Time

Medicine Grade Amino Acid L-Tryptophan

US $1-50 / Kilogram ( FOB Price)
1 Kilogram (Min. Order)
MF: C11H12N2O2
Other Names: 2-Amino-3-(1H-indol-3-yl)propanoic acid
Purity: 99%
Type: Vitamins, Amino Acids and Coenzymes,Auxiliaries and Other Medicinal Chemicals
Grade Standard: Feed Grade,Food Grade,Medicine Grade
Appearance: White crystals or crystalline powder
Verified Supplier - Cn Lab Canada, Asian Group
China (Mainland) Contact Details
<24h Average Response Time
85.9% Response Rate

Pharmaceutical grade (USP) L-Tryptophan powder

1 Kilogram (Min. Order)
MF: C11H12N2O2
Other Names: L-Tryptophan (s)-2-amino-3-(1h-indol-3-yl) propanoic acid
Purity: ≥98.5%
Type: Essential amino acid
Grade Standard: Feed Grade,Medicine Grade
Usage: Essential amino acid
Verified Supplier - Hangzhou Reb Technology Co., Ltd.
China (Mainland) Contact Details
48h-72h Average Response Time
72.6% Response Rate
Verified Supplier - SANTA CRUZ BIOTECHNOLOGY, INC.
United States Contact Details
>72h Average Response Time

Feed Grade Amino Acid L-Tryptophan

US $1-50 / Kilogram ( FOB Price)
1 Kilogram (Min. Order)
MF: C11H12N2O2
Other Names: 2-Amino-3-(1H-indol-3-yl)propanoic acid
Purity: 99%
Type: Vitamins, Amino Acids and Coenzymes,Auxiliaries and Other Medicinal Chemicals
Grade Standard: Feed Grade,Food Grade,Medicine Grade
Appearance: White crystals or crystalline powder
Verified Supplier - Cn Lab Canada, Asian Group
China (Mainland) Contact Details
<24h Average Response Time
85.9% Response Rate

Supply Amino Acid L-Tryptophan

1 Kilogram (Min. Order)
MF: C11H12N2O2
Other Names: L-Tryptophan (s)-2-amino-3-(1h-indol-3-yl) propanoic acid
Purity: ≥98.5%
Type: Essential amino acid
Grade Standard: Feed Grade,Medicine Grade
Usage: Essential amino acid
Verified Supplier - Hangzhou Reb Technology Co., Ltd.
China (Mainland) Contact Details
48h-72h Average Response Time
72.6% Response Rate

Food Grade Amino Acid L-Tryptophan

US $1-50 / Kilogram ( FOB Price)
1 Kilogram (Min. Order)
MF: C11H12N2O2
Other Names: 2-Amino-3-(1H-indol-3-yl)propanoic acid
Purity: 99%
Type: Vitamins, Amino Acids and Coenzymes,Auxiliaries and Other Medicinal Chemicals
Grade Standard: Feed Grade,Food Grade,Medicine Grade
Appearance: White crystals or crystalline powder
Verified Supplier - Cn Lab Canada, Asian Group
China (Mainland) Contact Details
<24h Average Response Time
85.9% Response Rate

Medicine grade amino acid L-Tryptophan

1 Kilogram (Min. Order)
MF: C11H12N2O2
Other Names: L-Tryptophan (s)-2-amino-3-(1h-indol-3-yl) propanoic acid
Purity: ≥98.5%
Type: Essential amino acid
Grade Standard: Feed Grade,Medicine Grade
Usage: Essential amino acid
Verified Supplier - Hangzhou Reb Technology Co., Ltd.
China (Mainland) Contact Details
48h-72h Average Response Time
72.6% Response Rate

Amino Acid Feed Grade L-Tryptophan

1 Kilogram (Min. Order)
MF: C11H12N2O2
Other Names: L-Tryptophan (s)-2-amino-3-(1h-indol-3-yl) propanoic acid
Purity: ≥98.5%
Type: Essential amino acid
Grade Standard: Feed Grade,Medicine Grade
Usage: Essential amino acid
Verified Supplier - Hangzhou Reb Technology Co., Ltd.
China (Mainland) Contact Details
48h-72h Average Response Time
72.6% Response Rate

Feed grade (USP) L-Tryptophan powder

1 Kilogram (Min. Order)
MF: C11H12N2O2
Other Names: L-Tryptophan (s)-2-amino-3-(1h-indol-3-yl) propanoic acid
Purity: ≥98.5%
Type: Essential amino acid
Grade Standard: Feed Grade,Medicine Grade
Usage: Essential amino acid
Verified Supplier - Hangzhou Reb Technology Co., Ltd.
China (Mainland) Contact Details
48h-72h Average Response Time
72.6% Response Rate

Amino Acid L-Tryptophan

1 Kilogram (Min. Order)
MF: C11H12N2O2
Other Names: L-Tryptophan (s)-2-amino-3-(1h-indol-3-yl) propanoic acid
Purity: ≥98.5%
Type: Essential amino acid
Grade Standard: Feed Grade,Medicine Grade
Usage: Essential amino acid
Verified Supplier - Hangzhou Reb Technology Co., Ltd.
China (Mainland) Contact Details
48h-72h Average Response Time
72.6% Response Rate

Amino acid Tryptophan

1 Kilogram (Min. Order)
MF: C11H12N2O2
Other Names: L-Tryptophan (s)-2-amino-3-(1h-indol-3-yl) propanoic acid
Purity: ≥98.5%
Type: Essential amino acid
Grade Standard: Feed Grade,Food Grade,Medicine Grade
Usage: Essential amino acid
Verified Supplier - Hangzhou Reb Technology Co., Ltd.
China (Mainland) Contact Details
48h-72h Average Response Time
72.6% Response Rate
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