125770-75-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 125770-75-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,5,7,7 and 0 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 125770-75:
(8*1)+(7*2)+(6*5)+(5*7)+(4*7)+(3*0)+(2*7)+(1*5)=134
134 % 10 = 4
So 125770-75-4 is a valid CAS Registry Number.
125770-75-4Relevant articles and documents
Synthesis of Novel Biodegradable Poly(amide-Ester)s from Penicillin
Saotome, Yasushi,Miyazawa, Takeo,Endo, Takeshi
, p. 1885 - 1888 (2007/10/02)
Novel biodegradable poly(amide-ester)s were succesfully synthesized from antibiotic penicillin, utilizing a nucleophilic addition of primary amines to the β-lactam ring of penicillin.