105183-57-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 105183-57-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,5,1,8 and 3 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 105183-57:
(8*1)+(7*0)+(6*5)+(5*1)+(4*8)+(3*3)+(2*5)+(1*7)=101
101 % 10 = 1
So 105183-57-1 is a valid CAS Registry Number.
105183-57-1Relevant articles and documents
Total synthesis of streptogramin antibiotics. (-)-Madumycin II
Tavares,Lawson,Meyers
, p. 3303 - 3304 (2007/10/03)
Synthetic efforts toward members of the streptogramin group A compounds have been reported over the past 15 years and to date none have succeeded in reaching any of the targets. We now report the first enantioselective total synthesis of Madumycin II (A-2