139575-18-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139575-18-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,5,7 and 5 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 139575-18:
(8*1)+(7*3)+(6*9)+(5*5)+(4*7)+(3*5)+(2*1)+(1*8)=161
161 % 10 = 1
So 139575-18-1 is a valid CAS Registry Number.
139575-18-1Relevant articles and documents
REACTIONS OF P(IV)-ACID DIMETHYLAMIDES WITH ACETYL CHLORIDE
Nuretdinova, O. N.,Guseva, F. F.,Troitskaya, L. B.
, p. 2493 - 2495 (2007/10/02)
Substitution of the dimethylamino group by chlorine in a series of P=O and P=S P(IV)-acid dimethylamides by means of acetyl chloride proceeds more readily for P=O amides.
