136992-07-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 136992-07-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,9,9 and 2 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 136992-07:
(8*1)+(7*3)+(6*6)+(5*9)+(4*9)+(3*2)+(2*0)+(1*7)=159
159 % 10 = 9
So 136992-07-9 is a valid CAS Registry Number.
136992-07-9Relevant academic research and scientific papers
Yon-Hin, Paul,Ian Scott
, p. 4231 - 4234 (1991)
Corallisin A, a free porphyrin isolated from a demopsonge of the Coral Sea has been synthesized as its dimethyl ester by application of Johnson's a,c-biladiene route, thus providing a definite proof of the structure that has been proposed for the natural pigment.