192369-83-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 192369-83-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,2,3,6 and 9 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 192369-83:
(8*1)+(7*9)+(6*2)+(5*3)+(4*6)+(3*9)+(2*8)+(1*3)=168
168 % 10 = 8
So 192369-83-8 is a valid CAS Registry Number.
192369-83-8Relevant articles and documents
Synthesis of 4-substituted 1--1H-pyrazolopyrimidines
Taha, Mohamed L.,Lazrek, Hassan B.
, p. 163 - 168 (2007/10/03)
Treatment of 5-O-benzoyl-1,3-dioxane 5 with acetylchloride gave (3-acetoxy-2-O-benzoyl-1-propoxy)methylchloride 6 in 95percent yield.The heterocycles 7a-c were alkylated with 6.The N1-alkylated products 8a-c (regioselectively obtained in 60-80p