135447-02-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 135447-02-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,5,4,4 and 7 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 135447-02:
(8*1)+(7*3)+(6*5)+(5*4)+(4*4)+(3*7)+(2*0)+(1*2)=118
118 % 10 = 8
So 135447-02-8 is a valid CAS Registry Number.
135447-02-8Relevant academic research and scientific papers
Wilson, Stephen R.,Venkatesan,Augelli-Szafran,Yasmin
, p. 2339 - 2342 (1991)
A synthesis of 1,25-dihydroxy-vitamin D3 using a new acetylenic Ring-A precursor is described. Ring-A synthons 4a or 4b can be prepared in homochiral form by a diastereoselective diazoester cyclization.