21432-51-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 21432-51-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,4,3 and 2 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 21432-51:
(7*2)+(6*1)+(5*4)+(4*3)+(3*2)+(2*5)+(1*1)=69
69 % 10 = 9
So 21432-51-9 is a valid CAS Registry Number.
21432-51-9Relevant academic research and scientific papers
Bisfuran dihalide, method for producing bisfuran dihalide, and method for producing bisfuran diacid, bisfuran diol or bisfuran diamine using bisfuran dihalide
-
, (2018/01/19)
A bisfuran dihalide having a structure represented by the following formula (1): wherein R1 is a divalent hydrocarbon group represented by —CR2R3— (wherein each of R2 and R3 independently represents a
