18992-28-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18992-28-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,9,9 and 2 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 18992-28:
(7*1)+(6*8)+(5*9)+(4*9)+(3*2)+(2*2)+(1*8)=154
154 % 10 = 4
So 18992-28-4 is a valid CAS Registry Number.
18992-28-4Relevant articles and documents
Microwave Assisted Neat Synthesis of Spiropyrrolidine Library
Kalluraya, Balakrishna,Mallya, Sahana,Kumar K, Anish
, p. 2075 - 2081 (2018/07/31)
A new class of functionalized nitrothiophene containing spirropyrrolidines has been synthesized with high regioselectivity in moderate to excellent yields via microwave assisted solvent-free-three component 1,3-dipolar cycloaddition reaction of in situ ge