134680-41-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 134680-41-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,6,8 and 0 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 134680-41:
(8*1)+(7*3)+(6*4)+(5*6)+(4*8)+(3*0)+(2*4)+(1*1)=124
124 % 10 = 4
So 134680-41-4 is a valid CAS Registry Number.
134680-41-4Relevant articles and documents
Stereochemical studies on Esperamicins: Determination of the absolute configuration of hydroxyamino sugar fragment
Golik,Wong,Krishnan,Vyas,Doyle
, p. 1851 - 1854 (2007/10/02)
The β-D-gluco-hexopyranose configuration has been assigned for the hydroxyamino sugar fragment or esperamicin A. This determination concluded our study on the absolute configuration of the carbohydrate portion of esperamicins.