135220-16-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 135220-16-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,5,2,2 and 0 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 135220-16:
(8*1)+(7*3)+(6*5)+(5*2)+(4*2)+(3*0)+(2*1)+(1*6)=85
85 % 10 = 5
So 135220-16-5 is a valid CAS Registry Number.
135220-16-5Relevant articles and documents
PHOSPHORUS HETEROCYCLES. PART I. SYNTHESIS OF THIADIAZAPHOSPHOL-2-ONES AND THIADIAZAPHOSPHOL-2-THIONES
Gogoi, Probin C.,Kataky, Jibon C. S.
, p. 269 - 272 (2007/10/02)
The condensation reaction of 3-(2,4-dichlorophenyl)-4-amino-5-mercapto-1,2,4-triazole with various alkyl dichlorophosphate and alkyl dichlorothiophosphate leading to the formation of fused phosphorus heterocycles was carried out.
