138101-91-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 138101-91-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,1,0 and 1 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 138101-91:
(8*1)+(7*3)+(6*8)+(5*1)+(4*0)+(3*1)+(2*9)+(1*1)=104
104 % 10 = 4
So 138101-91-4 is a valid CAS Registry Number.
138101-91-4Relevant articles and documents
Highly diastereoselective addition of cyanide to β-hydroxyketones
Brunet,Singh Batra,Aguilar,Garcia Ruano
, p. 5423 - 5424 (1991)
The addition of cyanide with KCN/ZnI2/TMSCN to β-hydroxyketones (R1-CHOH-CO-R2, R1 = i-Pr, R2 = Me, Et, i-Bu, i-Pr, t-Bu, R1 = Et, R2 = t-Bu and R1 = Bn, Ph, R2 = i-Bu) produced syn β-hydroxycyanohydrins in 95% d.e.
