87615-98-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87615-98-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,6,1 and 5 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 87615-98:
(7*8)+(6*7)+(5*6)+(4*1)+(3*5)+(2*9)+(1*8)=173
173 % 10 = 3
So 87615-98-3 is a valid CAS Registry Number.
87615-98-3Relevant articles and documents
A Versatile Synthesis of α-Pyrones
Dieter, R. Karl,Fishpaugh, Jeffrey R.
, p. 4439 - 4441 (2007/10/02)
The α-oxoketene dithioacetal functionality is exploited in a versatile and efficient synthesis of annulated and simple α-pyrones.The alkyl substitution pattern about the α-pyrone ring can be modified at all four olefinic carbon atoms in a systematic manner.