158584-52-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 158584-52-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,5,8 and 4 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 158584-52:
(8*1)+(7*5)+(6*8)+(5*5)+(4*8)+(3*4)+(2*5)+(1*2)=172
172 % 10 = 2
So 158584-52-2 is a valid CAS Registry Number.
158584-52-2Relevant articles and documents
A convenient preparation of benzyl 4-(R1)-3-(R2)pyrrole-2-carboxylates
Burns,Jabara,Burden
, p. 379 - 387 (2007/10/02)
The class of title pyrroles, important intermediates in porphyrin synthesis, have been prepared via the Barton and Zard method. The benzyl isocyanoacetate used in the synthesis was in turn prepared in an efficient and inexpensive 3-step procedure from glycine.
