129245-16-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129245-16-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,2,4 and 5 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 129245-16:
(8*1)+(7*2)+(6*9)+(5*2)+(4*4)+(3*5)+(2*1)+(1*6)=125
125 % 10 = 5
So 129245-16-5 is a valid CAS Registry Number.
129245-16-5Relevant articles and documents
SYNTHESIS OF MACROLIDE ANTIBIOTICS. 19. SYNTHESIS OF THE C7-C13 FRAGMENT OF ERYTHRONOLIDE A
Sviridov, A. F.,Ermolenko, M. S.,Yashunskii, D. V.,Borodkin, V. S.,Kochetkov, N. K.
, p. 169 - 178 (2007/10/02)
A stereocontrolled synthesis was carried out for the C7-C13 fragment of erythronolide A in 33 steps with an overall yield of 13percent relative to starting levoglucosan.