172659-63-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 172659-63-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,6,5 and 9 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 172659-63:
(8*1)+(7*7)+(6*2)+(5*6)+(4*5)+(3*9)+(2*6)+(1*3)=161
161 % 10 = 1
So 172659-63-1 is a valid CAS Registry Number.
172659-63-1Relevant articles and documents
An expedient synthesis of trisubstituted allenes
Baldwin, Jack E.,Adlington, Robert M.,Crouch, Nicholas P.,Hill, Ryan L.,Laffey, Thomas G.
, p. 7925 - 7928 (2007/10/02)
Di-α-alkylated-α-(β-keto sulfone) alkynes provide a facile entry to trisubstituted allenes upon treatment with aluminium amalgam.
