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Chemical Name: 4-Androsten-17¦Â-ol-3-one Isocapronate Molecular Formula: C25H38O3 Molecular weight: 386.57 CAS NO.: 15262-86-9 Assay: 97.0% Appearance: white crystalline powder Standard: BP2003

CAS: 56-40-6 EINECS: 200-272-2 MF: C2H5NO2 MW: 75.07 Assay: 98.5¡«101.0% standard:AJI92 Package: 25 kg / bag Appearance: White crystalline powder usage:Non-essential amino acid for human development. An inhibitory neurotransmitter in spinal cord, allosteric regulator of NMDA receptors.

Sequence Ac-Ser-Asp-Ala-Ala-Val-Asp-Thr-Ser-Ser-Glu- Ile-Thr-Thr-Lys-Asp-Leu-Lys-Glu-Lys-Lys- Glu-Val-Val-Glu-Glu-Ala-Glu-Asn-OH Cas No. 62304-98-7 Molecular Formula C129H215N33O55 Molecular Weight 3108.3 Purity (HPLC) 98.0%min. Appearance  White powder Single Impurity (HPLC)  1.0%max Amino Acid Composition  ¡À10% of theoretical Peptide Content (N%)  ¡Ý80.0% Water Content(Karl Fischer)  ¡Ü5.0% Specific Rotation (20/D) -95.0¡«-105.0¡ã(c=0.5 1%HAc) Acetate Content (HPIC) ¡Ü15.0% MS(ESI) Consistent Mass Balance  95.0105.0%

Sequence H-His-Ser-Gln-Gly-Thr-Phe-Thr-Ser-Asp-Tyr- Ser-Lys-Tyr-Leu-Asp-Ser-Arg-Arg-Ala-Gln- Asp-Phe-Val-Gln-Trp-Leu-Met-Asn-Thr-OH Cas No. 16941-32-5 Molecular Formula C153H225N43O49S Molecular Weight 3482.82 Purity (HPLC) 99.0%min. Appearance  White powder Single Impurity(HPLC)  0.5%max Amino Acid Composition  ¡À10% of theoretical Peptide Content(N%)  ¡Ý75.0% Water Content(Karl Fischer)  ¡Ü8.0% HCl Content  (HPIC) ¡Ü10.0% Specific Rotation (20/D)  -37.0¡«-47.0¡ã(c=1 1%HAc) MS(ESI)  Consistent Mass Balance  95.0105.0%

CAS #: 13103-34-9 Chemical Name:3beta -Hydroxy thgl-5-and rosten -17-one Chemical Formula:C19H28O2 Description:Pale yellow viscous liquid Specification: Enterprise standard