5898-99-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5898-99-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,8,9 and 8 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 5898-99:
(6*5)+(5*8)+(4*9)+(3*8)+(2*9)+(1*9)=157
157 % 10 = 7
So 5898-99-7 is a valid CAS Registry Number.
5898-99-7Relevant articles and documents
An efficient synthesis of S-(+)-amphetamine
Rozwadowska
, p. 1619 - 1624 (1993)
Optically active (S)-(+)-amphetamine hydrochloride (5-HCl) was prepared from (1S,2S)-2-amino-1-phenyl-1,3-propanediol (1) via its 3-iodo intermediate (3). A phthaloyl group was used for protecting the amine function.