97188-30-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 97188-30-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,1,8 and 8 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 97188-30:
(7*9)+(6*7)+(5*1)+(4*8)+(3*8)+(2*3)+(1*0)=172
172 % 10 = 2
So 97188-30-2 is a valid CAS Registry Number.
97188-30-2Relevant articles and documents
PYRROLE CHEMISTRY XXV: A SIMPLIFIED SYNTHESIS OF SOME 3-SUBSTITUTED PYRROLES
Xu, Ru Xun,Anderson, Hugh J.,Gogan, Niall J.,Loader, Charles E.,McDonald, Robert
, p. 4899 - 4900 (1981)
A new synthesis is reported which allows the rapid preparation in good yield of 3-aroyl-, 3-acetyl- and 3-nitro- pyrroles from pyrrole utilizing the 1-benzenesulfonyl group as a blocking group.
