134744-29-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 134744-29-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,7,4 and 4 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 134744-29:
(8*1)+(7*3)+(6*4)+(5*7)+(4*4)+(3*4)+(2*2)+(1*9)=129
129 % 10 = 9
So 134744-29-9 is a valid CAS Registry Number.
134744-29-9Relevant articles and documents
TOTAL SYNTHESIS OF ERYTHRONOLIDE B. 2. SKELETON ASSEMBLY IN (C5-C9) + (C3-C4) + (C1-C2) + (C11-C13) SEQUENCE.
Sviridov, A. F.,Ermolenko, M. S.,Yashunsky. D. V.,Borodkin, V. S.,Kochetkov, N. K.
, p. 3839 - 3842 (1987)
Erythronolide B has been synthesized starting from levoglucosan.