877174-63-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 877174-63-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,7,1,7 and 4 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 877174-63:
(8*8)+(7*7)+(6*7)+(5*1)+(4*7)+(3*4)+(2*6)+(1*3)=215
215 % 10 = 5
So 877174-63-5 is a valid CAS Registry Number.
877174-63-5Relevant academic research and scientific papers
Synthesis of new fused 1,5-benzodiazepines, part 3
Khodairy
, p. 1893 - 1907 (2007/10/03)
1,3-Dihydro-4-phenyl-1,5-benzodiazepin-2-one 1a was treated with some ylidenecyanothioacetamides to give the corresponding pyrido(2,3-b) benzodiazepines 3-6. Treatment of compound 1a with a mixture of thiophen-2-aldehyde and thiourea