136932-84-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 136932-84-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,9,3 and 2 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 136932-84:
(8*1)+(7*3)+(6*6)+(5*9)+(4*3)+(3*2)+(2*8)+(1*4)=148
148 % 10 = 8
So 136932-84-8 is a valid CAS Registry Number.
136932-84-8Relevant articles and documents
SYNTHESIS WITH α-HETEROSUBSTITUTED PHOSPHONATE CARBANIONS. XVII. PREPARATION OF DIACYLATED AROMATICS
Zimmer, Hans,Servay, Thomas K.
, p. 201 - 204 (2007/10/02)
Dianions derived from tetraphenyl arylene-bis--bis-phsphonates react with aromatic and heteroaromatic aldehydes to yield bis-acylated aromatics. Key words: α-Heterosubstituted phosphonate carbanions; diacylated heteroaromatics;