130715-54-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 130715-54-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,7,1 and 5 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 130715-54:
(8*1)+(7*3)+(6*0)+(5*7)+(4*1)+(3*5)+(2*5)+(1*4)=97
97 % 10 = 7
So 130715-54-7 is a valid CAS Registry Number.
130715-54-7Relevant articles and documents
Heterocycles synthesis through reactions of nucleophiles with acrylonitriles: Part XI - A convenient one-pot synthesis of 4H-chromenes
Abdel-Latif
, p. 664 - 666 (2007/10/02)
Several new 4H-chromenes (IVa-j and Va-j) have been synthesised by a one-step and facile method in excellent yields. The reaction mechanism is also reported.