77988-92-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77988-92-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,9,8 and 8 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 77988-92:
(7*7)+(6*7)+(5*9)+(4*8)+(3*8)+(2*9)+(1*2)=212
212 % 10 = 2
So 77988-92-2 is a valid CAS Registry Number.
77988-92-2Relevant articles and documents
S-Substituted Thiacyclobutenium Salts
Bodwell, James R.,Patwardhan, Bhalchandra H.,Dittmer, Donald C.
, p. 4192 - 4196 (2007/10/02)
Treatment of 3-phenyl- or 3-(2-naphthyl)-2H-thietes with trimethyl- or triethyloxonium tetrafluoroborate or with methyl trifluoromethansulfonate yields colorless S-alkylthiacyclobutenium salts.They react with cyanide ion to give both ring opened and dealk
