222026-91-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 222026-91-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,2,0,2 and 6 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 222026-91:
(8*2)+(7*2)+(6*2)+(5*0)+(4*2)+(3*6)+(2*9)+(1*1)=87
87 % 10 = 7
So 222026-91-7 is a valid CAS Registry Number.
222026-91-7Relevant articles and documents
Clean five-step synthesis of an array of 1,2,3,4-tetra-substituted pyrroles using polymer-supported reagents
Caldarelli, Marina,Habermann, Joerg,Ley, Steven V.
, p. 107 - 110 (2007/10/03)
Polymer-supported reagents and other solid sequestering agents may be used to generate an array of 1,2,3,4-tetra-substituted pyrrole derivatives without any chromatographic purification step.
