133637-86-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 133637-86-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,6,3 and 7 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 133637-86:
(8*1)+(7*3)+(6*3)+(5*6)+(4*3)+(3*7)+(2*8)+(1*6)=132
132 % 10 = 2
So 133637-86-2 is a valid CAS Registry Number.
133637-86-2Relevant articles and documents
Regioselective and enantiospecific synthesis of 6-substituted and 5,6-disubstituted hexahydropyrimidines
Garratt,Thorn,Wrigglesworth
, p. 691 - 694 (2007/10/02)
The preference for 5- over 6-membered rings in the intramolecular cyclisation of amines with diesters can be partially overcome with mixed methyl (or benzyl), tert-butyl diesters, and this effect is enhanced where there is a β-substituent. The hexahydropy
