162478-21-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 162478-21-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,2,4,7 and 8 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 162478-21:
(8*1)+(7*6)+(6*2)+(5*4)+(4*7)+(3*8)+(2*2)+(1*1)=139
139 % 10 = 9
So 162478-21-9 is a valid CAS Registry Number.
162478-21-9Relevant articles and documents
Synthesis of the first penicillin derivatives with medium-sized lactam ring and of related thiazolidines
Imming
, p. 207 - 215 (2007/10/02)
The novel concept of penicillin derivatives 4 with a medium-sized instead of a β-lactam ring is presented. Two synthetic paths were invented, resulting in the evaluation of the synthetic potential in the succinic, glutaric, and adipic acid series: A numbe