N-Fmoc-N-methyl-D-alanine , with the CAS register number 138774-92-2, has the systematic name of N-[(9H-fluoren-9-ylmethoxy)carbonyl]-N-methyl-D-alanine . And it is also known to us as FMOC-D-MEALA-OH ,FMOC-N-METHYL-D-ALANINE ,FMOC-N-ME-D-ALA-OH ,FMOC-N-ALPHA-METHYL-D-ALANINE ,N-ALPHA-(9-FLUORENYLMETHOXYCARBONYL)-N-ALPHA-METHYL-D-ALANINE ,N-ALPHA-(9- FLUORENYLMETHYLOXYCARBONYL)-N-ALPHA-METHYL-D-ALANINE ,N-ALPHA-FMOC-N-ALPHA-METHYL-D-ALANINE .

Properties of this kind of chemical are as followings :(1)ACD/LogP:  4.03  ; (2)#H bond acceptors:  5  ; (3)#H bond donors:  1  ; (4)#Freely Rotating Bonds:  5  ; (5)Polar Surface Area:  55.84  ; (6)Index of Refraction:  1.604  ; (7)Molar Refractivity:  88.67 cm³  ; (8)Molar Volume:  257.6 cm³  ; (9)Polarizability:  35.15 ×10-24cm³  ; (10)Surface Tension:  54.3 dyne/cm  ; (11)Density:  1.262 g/cm³  ; (12)Flash Point:  265.2 °C  ; (13)Enthalpy of Vaporization:  82.82 kJ/mol  ; (14)Boiling Point:  514.9 °C at 760 mmHg  ; (15)Vapour Pressure:  1.99E-11 mmHg at 25°C .

This kind of chemical belongs to the product categories of Amino Acids. When you conserve it,you need to store in the temperature of 2-8°C under the argon. Being a kind of irritant chemical, you should be very cautious while using it. Do not breathe dust   and avoid contacting with skin and eyes. If you need more safety information, you could refer to WGK Germany  3.
 
You could convert the following data information to obtain the molecular structure:
SMILES:
O=C(O)[C@H](N(C(=O)OCC3c1ccccc1c2c3cccc2)C)C
InChI:
InChI=1/C19H19NO4/c1-12(18(21)22)20(2)19(23)24-11-17-15-9-5-3-7-13(15)14-8-4-6-10-16(14)17/h3-10,12,17H,11H2,1-2H3,(H,21,22)/t12-/m1/s1
InChIKey:
JOFHWKQIQLPZTC-GFCCVEGCBD

As to the market information of this chemical, there are many suppliers in China, such as Alabiochem Tech.Co., Ltd. with the packing of 1g,5g,10g,25g,50g,100g,500g and GL Biochem (Shanghai) Ltd with the packing of 10kg,1kg,500g,100g,25g.