261172-51-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 261172-51-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,1,1,7 and 2 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 261172-51:
(8*2)+(7*6)+(6*1)+(5*1)+(4*7)+(3*2)+(2*5)+(1*1)=114
114 % 10 = 4
So 261172-51-4 is a valid CAS Registry Number.
261172-51-4Relevant articles and documents
A versatile approach to PI(3,4)P2, PI(4,5)P2, and PI(3,4,5)P3 from L-(-)-Quebrachitol
Qiao, Lixin,Hu, Youhong,Nan, Fajun,Powis, Garth,Kozikowski, Alan P.
, p. 115 - 117 (2007/10/03)
(matrix presented) PI(3,4)P2 R1 = R2 = PO3H2, R3 = H ; L-(-)-quebrachitol PI(4,5)P2 R1 = H, R2 = R3 = PO3H2 ; PI(3,4,5)Psu