134664-58-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 134664-58-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,6,6 and 4 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 134664-58:
(8*1)+(7*3)+(6*4)+(5*6)+(4*6)+(3*4)+(2*5)+(1*8)=137
137 % 10 = 7
So 134664-58-7 is a valid CAS Registry Number.
134664-58-7Relevant academic research and scientific papers
24-homo vitamin D derivatives, process for their production and pharmaceutical preparations obtained therefrom
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, (2008/06/13)
New 24-homo vitamin D derivatives of formula I STR1 are described, in which R1 means a hydrogen atom, a hydroxy, an alkanoyloxy group with 1 to 8 carbon atoms or an aralkanoyloxy group with up to 8 carbon atoms, R2 and R3,
