133870-88-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 133870-88-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,8,7 and 0 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 133870-88:
(8*1)+(7*3)+(6*3)+(5*8)+(4*7)+(3*0)+(2*8)+(1*8)=139
139 % 10 = 9
So 133870-88-9 is a valid CAS Registry Number.
133870-88-9Relevant articles and documents
A convenient preparation of 2-substituted (S)-aziridines
Effenberger,Stelzer
, p. 283 - 286 (2007/10/02)
2-Monosubstituted (S)-aziridines (S)-3 were obtained by hydrogenation of (R)-2-sulfonyloxynitriles (R)-2 with LiAlH4 in good chemical yields and high enantiomeric excess.