77967-91-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77967-91-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,9,6 and 7 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 77967-91:
(7*7)+(6*7)+(5*9)+(4*6)+(3*7)+(2*9)+(1*1)=200
200 % 10 = 0
So 77967-91-0 is a valid CAS Registry Number.
77967-91-0Relevant articles and documents
CONTROL OF SITE-SPECIFIC SUBSTITUTION OF AMINOGLYCOSIDES BY TRANSITION METAL CATIONS
Kirst, Herbert A.,Truedell, Brenda A.,Toth, John E.
, p. 295 - 298 (1981)
The site of transistion metal-directed acylations of apramycin and related aminoglycosides can be altered simply by changing the metal cation employed in the reaction.