334999-32-5 Usage
Uses
trans-4-Amino-N-Boc-L-proline methyl ester hydrochloride acts as a pharmaceutical intermediate. It is used to prepare N-Boc-protected proline methyl ester of calix[4]arene, which is efficiently catalyzes the enantioselective aldol reaction.
Check Digit Verification of cas no
The CAS Registry Mumber 334999-32-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,4,9,9 and 9 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 334999-32:
(8*3)+(7*3)+(6*4)+(5*9)+(4*9)+(3*9)+(2*3)+(1*2)=185
185 % 10 = 5
So 334999-32-5 is a valid CAS Registry Number.
InChI:InChI=1/C11H20N2O4/c1-11(2,3)17-10(15)13-6-7(12)5-8(13)9(14)16-4/h7-8H,5-6,12H2,1-4H3/p+1/t7-,8+/m1/s1