122620-49-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 122620-49-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,2,6,2 and 0 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 122620-49:
(8*1)+(7*2)+(6*2)+(5*6)+(4*2)+(3*0)+(2*4)+(1*9)=89
89 % 10 = 9
So 122620-49-9 is a valid CAS Registry Number.
122620-49-9Relevant articles and documents
A NOVEL DIELS-ALDER APPROACH TO CARBAPENEMS
Bayles, Richard,Flynn, Anthony P.,Galt, Ronald H.B.,Kirby, Susan,Turner, Ralph W.
, p. 6341 - 6344 (2007/10/02)
An inverse electron demand hetero-Diels-Alder reaction between 2-acylamino-methylene-3-oxobutanoic acid derivatives (5) and ketene acetals (6) yields crystalline dihydropyrans, which are versatile intermediates in the synthesis of carbapenems.
