Cas no for 73-22-3,L-Tryptophan ACID Cas number search msds database,online free cas number chemistry search engine,cas number sigma aldrich

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Home > CAS No. Inquiry > 73-22-3

73-22-3

[CAS Name] L-Tryptophan

[Formula] C11H12N2O2

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Basica Info

[CAS Name]L-Tryptophan
[Alias]H-Trp-OH; L-Tryptophane; L-Tryptohan,99%; 2,4,5,6-Tetrachloropyrimidine; TRP; (S)-2-Amino-3-(3-indolyl)propionic acid; 2-Amino-3-(1H-indol-3-yl)propanoic acid
[Number]73-22-3
[EINECS]200-795-6
[Formula]C11H12N2O2
[Molecular weight]204.2252

[Melting point]280-285℃
[Boiling point]447.9°C at 760 mmHg
[Density]8.3E-09mmHg at 25°C
[Flash point]224.7°C

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Sinoway Industrial Co.Ltd.

Product name	L-Tryptophan
CAS No.	73-22-3
Molecular Formula	C11H12N2O2
Molecular Weight	204.228
Quality Standard	99% up by HPLC, Food grade/Feed grade
Appearance	Brown yellow powder

Testing Item	Standard	Result
Appearance	White to light yellow crystal powder	conforms
Assay/%	≥99.00%	99.70%
Specific Rotation	-29.0° -32.8°	-29.3°
Residue on Ignition/%	≤0.50	0.40
Loss on Drying/%	≤0.50	0.30
Heavy Metal(Pb)/%	≤5	<5
Arsenic(As)/%	≤2	conforms
Mercury(Hg)/%	≤0.1	conforms
Cadmium(Cd)/%	≤2	conforms
Salmonella	Negative in 10g	conforms
PH	5.0~7.0	conforms

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AH BIOPHARM CO., LTD.

White to yellowish white crystals or crystalline powder.Odourless or slightly odorous, long time light coloration.And acid in the dark heating more stable.

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Nanjing BioPAS Pharmaceutical Equipment Tech.Co.,Ltd

L-Tryptophan

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