D-serine /d-silk amino acid /d-2-amino-3-hydroxypropionic acid /d- β- Hydroxyalanine

English name：D-Serine；D-2-Aminohydracrylic acid；D-2-Amino-3-hydroxypropionic acid；D-β-Hydroxyalanine；(R)-2-Amino-3-hydroxypropionic acid；(R)-(-)-Serine；D-3-Hydroxy-α-alanine

Other names: d-silk amino acid; D-2-amino-3-hydroxypropionic acid; D- β- Hydroxyalanine

CAS No.: 312-84-5

C3H7NO3=105.09

Grade: br

Content: ≥ 99.0%

Specific rotation: -14.4 ~ -15.5 º

PH：5.2～6.2

Identification: qualified

Chloride: ≤ 0.08%

Ammonium salt: ≤ 0.02%

Sulfate: ≤ 0.02%

Heavy metals: ≤ 10ppm

Arsenic salt: ≤ 1ppm

Loss on drying: ≤ 0.20%

Burning residue: ≤ 0.10%

Physicochemical properties: white crystal or crystalline powder. Soluble in water, insoluble in ethanol and ether. Melting point 228 ℃ (decomposition).

Purpose: biochemical research

Save: RT, away from light