1234550-57-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1234550-57-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,4,5,5 and 0 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1234550-57:
(9*1)+(8*2)+(7*3)+(6*4)+(5*5)+(4*5)+(3*0)+(2*5)+(1*7)=132
132 % 10 = 2
So 1234550-57-2 is a valid CAS Registry Number.
1234550-57-2Relevant academic research and scientific papers
Oh, Hong-Se,Kang, Han-Young
, p. 4307 - 4317 (2010)
Total synthesis of neomethymycin and novamethymycin has been achieved. These two macrolides contains 12-membered macrolactones as aglycones and belong to the methymycin family of antibiotics, which appears in the pikromycin biosynthetic pathway. The segme
