Cas No.:110-16-7 Maleic acid(Standard Reference Material)

Cas No.:56-87-1 L-Lysine(Standard Reference Material)

Cas No.:74-79-3 L(+)-Arginine(Standard Reference Material)

Cas No.:56-85-9 L-Glutamine(Standard Reference Material)

Cas No.:56-89-3 L-Cystine(Standard Reference Material)

Cas No.:56-40-6 Glycine(Standard Reference Material)

Cas No.:56-86-0 L-Glutamic acid(Standard Reference Material)

Cas No.:63-68-3 L-Methionine(Standard Reference Material)

Cas No.:63-91-2 L-Phenylalanine(Standard Reference Material)