98258-78-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 98258-78-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,2,5 and 8 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 98258-78:
(7*9)+(6*8)+(5*2)+(4*5)+(3*8)+(2*7)+(1*8)=187
187 % 10 = 7
So 98258-78-7 is a valid CAS Registry Number.
98258-78-7Relevant articles and documents
EFFICIENT SYNTHESIS OF 1,1'-METHYLENEBIS-1H-PYRROLE DERIVATIVES
Gonzalez, Carlos R.,Greenhouse, Robert
, p. 1127 - 1130 (2007/10/02)
The title compounds may be prepared efficiently by the reaction of methylene chloride with the pyrrolyl anion generated under phase-transfer conditions.The spectral characteristics of these relatively unknown compounds are discussed.
