1253734-93-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1253734-93-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,3,7,3 and 4 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1253734-93:
(9*1)+(8*2)+(7*5)+(6*3)+(5*7)+(4*3)+(3*4)+(2*9)+(1*3)=158
158 % 10 = 8
So 1253734-93-8 is a valid CAS Registry Number.
1253734-93-8Relevant articles and documents
A short and efficient synthesis of (2S,3S,4S)-tert-butyl 3,4-dihydroxy-2-(methoxymethyl)-5-oxopyrrolidine-1-carboxylate
Passiniemi, Mikko,Koskinen, Ari M.P.
, p. 2816 - 2822 (2010)
Asymmetric synthesis of the title compound was accomplished starting from l-serine. Stannoxane-mediated lactamization provided the key intermediate in good yield. Georg Thieme Verlag Stuttgart.