222640-03-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 222640-03-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,2,6,4 and 0 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 222640-03:
(8*2)+(7*2)+(6*2)+(5*6)+(4*4)+(3*0)+(2*0)+(1*3)=91
91 % 10 = 1
So 222640-03-1 is a valid CAS Registry Number.
222640-03-1Relevant articles and documents
P'-Extended α-ketoamide inhibitors of proteasome
Chatterjee, Sankar,Dunn, Derek,Mallya, Satish,Ator, Mark A.
, p. 2603 - 2606 (2007/10/03)
A series of potent P'-extended α-ketoamide inhibitors of chymotrypsin-like activity of proteasome is described.