139618-30-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139618-30-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,6,1 and 8 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 139618-30:
(8*1)+(7*3)+(6*9)+(5*6)+(4*1)+(3*8)+(2*3)+(1*0)=147
147 % 10 = 7
So 139618-30-7 is a valid CAS Registry Number.
139618-30-7Relevant articles and documents
Enantiospecific syntheses of paeonilactone A, paeonilactone B, 7S-paeonimetabolin-I, and 7R-paeonimetabolin-I from R-(-)-carvone
Hatakeyama,Kawamura,Shimanuki,Takano
, p. 333 - 336 (1992)
The first enantiospecific syntheses of the title monoterpenes have been accomplished starting with R-(-)-carvone, which made their absolute structures unequivocal.
