22937-03-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22937-03-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,9,3 and 7 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 22937-03:
(7*2)+(6*2)+(5*9)+(4*3)+(3*7)+(2*0)+(1*3)=107
107 % 10 = 7
So 22937-03-7 is a valid CAS Registry Number.
InChI:InChI=1/C6H11NO/c1-2-3-5-4-6(8)7-5/h5H,2-4H2,1H3,(H,7,8)
22937-03-7Relevant articles and documents
NEW METHODS FOR β-LACTAM FORMATION FROM β-AMINO ACIDS USING (C6H5)3/CCl4 AND (C6H5)3P/NBS
Kim, Sunggak,Lee, Phil Ho,Lee, Tai Au
, p. 247 - 252 (2007/10/02)
Triphenylphosphine/carbon tetrachloride and triphenylphosphine/N-bromosuccinimide were found to be very effective for β-lactam formation from β-amino acids in acetonitrile.