173918-50-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 173918-50-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,3,9,1 and 8 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 173918-50:
(8*1)+(7*7)+(6*3)+(5*9)+(4*1)+(3*8)+(2*5)+(1*0)=158
158 % 10 = 8
So 173918-50-8 is a valid CAS Registry Number.
173918-50-8Relevant articles and documents
Difluoromethyleneketone retroamide, a versatile concept of inactivation of proteolytic enzymes
Schirlin,Baltzer,Altenburger,Tarnus,Remy
, p. 305 - 318 (2007/10/02)
The synthesis of difluoromethyleneketone retroamides is described. Several examples of application to aspartyl or seryl proteases illustrate the versatility of this inactivation concept. Copyright