156764-24-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 156764-24-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,7,6 and 4 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 156764-24:
(8*1)+(7*5)+(6*6)+(5*7)+(4*6)+(3*4)+(2*2)+(1*4)=158
158 % 10 = 8
So 156764-24-8 is a valid CAS Registry Number.
156764-24-8Relevant articles and documents
2,5-Disubstituted Pyrrolidines from D-Mannitol-Derived Bis-Aziridines
Fitremann,Juliette,Dureault, Annie,Depezay, Jean-Claude
, p. 1201 - 1204 (1994)
Concise synthesesof 3,4-dihydroxy-2,5-disubstituted pyrrolidines have been achieved starting from D-mannitol-derived flexible L-Ido bis-aziridines.Nucleophilic ring opening of the N-Boc and N-Cbz activated bis-aziridines by phenylthiolate and azide ions h