149970-88-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 149970-88-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,9,9,7 and 0 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 149970-88:
(8*1)+(7*4)+(6*9)+(5*9)+(4*7)+(3*0)+(2*8)+(1*8)=187
187 % 10 = 7
So 149970-88-7 is a valid CAS Registry Number.
149970-88-7Relevant articles and documents
Methodology for the Preparation of N-Guanidino-Modified Arginines and Related Derivatives
Wagenaar, Frank L.,Kerwin, James F.
, p. 4331 - 4338 (2007/10/02)
Methods for the preparation of NG-modified arginines and Nδ-heterocyclic ornithines are described.The reactive cyanamide intermediate tert-butyl Nα-Boc-Nδ-cyano-L-ornithinate (2), prepared either by treatment of
