102569-31-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 102569-31-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,2,5,6 and 9 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 102569-31:
(8*1)+(7*0)+(6*2)+(5*5)+(4*6)+(3*9)+(2*3)+(1*1)=103
103 % 10 = 3
So 102569-31-3 is a valid CAS Registry Number.
102569-31-3Relevant articles and documents
Einfache Synthese neuer 2-Amino-4-hydroxybenzonitrile
Schmidt, Hans-Werner
, p. 778 - 779 (2007/10/02)
4-Aminosalicylic acid derivatives are decarboxylated to the 2-amino-4-hydroxybenzonitriles 2 by heating in quinoline at 170-180 deg C.The bromo and iodo derivatives of 2 are prepared by nuclear bromination and reaction with iodine in the presence of iodic
