313519-34-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 313519-34-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,3,5,1 and 9 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 313519-34:
(8*3)+(7*1)+(6*3)+(5*5)+(4*1)+(3*9)+(2*3)+(1*4)=115
115 % 10 = 5
So 313519-34-5 is a valid CAS Registry Number.
313519-34-5Relevant articles and documents
New version of multicomponent condensation leading to 3-amino-2-acyl-4,5,6-trimethylthieno[2,3-b]pyridines
Dyachenko
, p. 1578 - 1583 (2015/12/30)
3-Amino-2-acyl-4,5,6-trimethylthieno[2,3-b]pyridines were synthesized by multicomponent condensation of acetaldehyde, cyanothioacetamide, 4-(but-2-en-2-yl)-morpholine, and a-haloketones.