157286-98-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 157286-98-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,2,8 and 6 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 157286-98:
(8*1)+(7*5)+(6*7)+(5*2)+(4*8)+(3*6)+(2*9)+(1*8)=171
171 % 10 = 1
So 157286-98-1 is a valid CAS Registry Number.
157286-98-1Relevant articles and documents
Synthesis of functionalised vinyl triflates from terminal alkynes
Crisp,Meyer
, p. 667 - 668 (1994)
The preparation of vinyl trifluoromethanesulfonates (triflates) containing a halide or triflate leaving group by the addition of triflic acid to terminal alkynes is described. The subsequent displacement of the halide or triflate leaving group by benzylam
