172749-34-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 172749-34-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,7,4 and 9 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 172749-34:
(8*1)+(7*7)+(6*2)+(5*7)+(4*4)+(3*9)+(2*3)+(1*4)=157
157 % 10 = 7
So 172749-34-7 is a valid CAS Registry Number.
172749-34-7Relevant articles and documents
Enantiospecific Synthesis of (3R,4R)-3-Amino-1-Hydroxy-4-Methyl Pyrrolidin-2-one (L-687,414), an NMDA Receptor Antagonist
Baldwin, Jack E.,Adlington, Robert M.,Elend, Almut S.,Smith, Marie L.
, p. 11581 - 11594 (1995)
An enantiospecific synthesis of the NMDA receptor antagonist (3R,4R)-3-amino-1-hydroxy-4-methylpyrrolidin-2-one via ring opening of the chiral β-lactam (9) is reported.
