158527-18-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 158527-18-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,5,2 and 7 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 158527-18:
(8*1)+(7*5)+(6*8)+(5*5)+(4*2)+(3*7)+(2*1)+(1*8)=155
155 % 10 = 5
So 158527-18-5 is a valid CAS Registry Number.
158527-18-5Relevant academic research and scientific papers
Overhand, Mark,Hecht, Sidney M.
, p. 4721 - 4722 (1994)
The antifungal agent (+)-preussin (1) was synthesized in five efficient transformations from t-Boc-(S)-phenylalanine.The key step involved the Hg(II)-mediated ring closure of ynone 4, a 5-endo-dig process.
