L-Tyrosine|L-Cystine| L-Leucine| L-Cysteine Hcl Monohydrate| L-Cysteine Hcl Anhydrous--Jiangsu Pizhou Tianzheng Bioengineering Co.,Ltd.

	L-Tyrosine
	L-Cystine
	L-Leucine
	L-Cysteine Hcl Monohydrate
	L-Cysteine Hcl Anhydrous

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Standard AJI92	L-Cystine
Speciific rotation[α]²⁰_d	-215 º - -225 º
Tansmittance	≥ 98%
Ammonium	≤ 0.02%
Chloride(cl)	≤ 0.02%
Sulfate(SO₄)	≤ 0.02%
Lron(Fe)	≤ 10PPM
Heavy metals(Pb)	≤ 10PPM
Arsenic(As₂O₃)	≤ 1PPM
Other amino acid	Chronmatographically not detectable
Residue on ignition	≤ 0.10%
Loss on drying	≤ 0.20%
Assay	99 - 101.0%
PH	5.0 - 6.5
structural formula	C₆H₁₂O₄N₂S₂

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L-Tyrosine|L-Cystine| L-Leucine| L-Cysteine Hcl Monohydrate| L-Cysteine Hcl Anhydrous